O

a b c d e f g h i j k l m n o p q r s t u v w x y z

Meaning Explication As a source As a target Taxon
<office> organization or its division 1 Show all shifts Show map
<orthopteran> any of many insects of the order Orthoptera 2 2 Show all shifts Show map
oak deciduous tree with distinctive deeply lobed leaves, acorns, and notably strong wood, typically of England and northeastern North America, included in genus Quercus. 4 6 Show all shifts Show map
oar type of lever used to propel a boat, having a flat blade at one end and a handle at the other, and pivoted in a rowlock atop the gunwale, whereby a rower seated in the boat and pulling the handle can pass the blade through the water by repeated strokes against the water's resistance, thus moving the boat 2 5 Show all shifts Show map
oat widely cultivated cereal grass, typically Avena sativa 3 2 Show all shifts Show map
oath solemn pledge or promise that invokes a deity, a ruler, or another entity (not necessarily present) to attest the truth of a statement or sincerity of one's desire to fulfill a contract or promise 1 Show all shifts Show map
obedient willing to comply with the commands, orders, or instructions of those in authority 1 Show all shifts Show map
object None 1 Show all shifts Show map
objection, contradiction 1 Show all shifts Show map
obscene inappropriate, contrary to the rules of decency, offensive to standards of decency or morality 3 Show all shifts Show map
observer 1 Show all shifts Show map
obsidian naturally occurring volcanic glass formed when lava extruded from a volcano cools rapidly with minimal crystal growth 1 Show all shifts Show map
obstacle something that impedes progress or achievement (Merriam-Webster) 4 Show all shifts Show map
obstinate, persistent None 1 7 Show all shifts Show map
ocean one of the large bodies of water separating the continents 2 Show all shifts Show map
ocean sunfish (Mola mola) large, heavy species of bony fish, Mola mola, native to tropical and temperate waters around the world 8 Show all shifts Show map
ochre 1 Show all shifts Show map
October tenth month of the Gregorian calendar, following September and preceding November 22 Show all shifts Show map
odd (of numbers) not divisible by two without leaving a remainder 1 1 Show all shifts Show map
oesophagus tube that carries food from the pharynx to the stomach 1 Show all shifts Show map
of high degree (about pain) None 2 Show all shifts Show map
of high rank 2 Show all shifts Show map
of low rank None 1 Show all shifts Show map
offer, proposal something which is proposed, or offered for consideration or acceptance 1 Show all shifts Show map
official (n.) 1 Show all shifts Show map
offspring 1 2 Show all shifts Show map
often 1 Show all shifts Show map
oil (food) 11 1 Show all shifts Show map
oil slick droplet of oil on the surface of the broth 1 Show all shifts Show map
ointment (medicine) A viscous preparation of oils and/or fats, usually containing medication, used as a treatment or as an emollient 1 Show all shifts Show map
OK expression used to indicate acceptance 2 Show all shifts Show map
old (vs. new) existing, created a long time ago 3 3 Show all shifts Show map
old (vs. young) having lived for most of the expected years 8 3 Show all shifts Show map
old man 12 3 Show all shifts Show map
old man/grandfather old man and grandfather 1 Show all shifts Show map
old woman 3 2 Show all shifts Show map
oleander 1 Show all shifts Show map
olive (Olea europaea) 2 Show all shifts Show map
omasum the third compartment of the stomach of a ruminant 3 Show all shifts Show map
omen 1 2 Show all shifts Show map
on the outside 1 2 Show all shifts Show map
once 1 Show all shifts Show map
one hundred thousand 1 Show all shifts Show map
one's own 2 Show all shifts Show map
one, single None 8 Show all shifts Show map
onion 3 2 Show all shifts Show map
only None 1 6 Show all shifts Show map
open (adj.) 4 1 Show all shifts Show map
open-eyed with open eyes 1 Show all shifts Show map
opening of a sack 1 Show all shifts Show map
opening, hole 11 7 Show all shifts Show map
operculum of a snail anatomical structure like a trapdoor that exists in many (but not all) groups of sea snails and freshwater snails, and also in a few groups of land snails 1 Show all shifts Show map
Ophiuchus (Constellation) zodiacal constellation of the northern summer said to depict a man holding a serpent 1 Show all shifts Show map
opilione, daddy longlegs any species of non-venomous arachnids with often very long legs (Opiliones) 1 Show all shifts Show map
opinion 1 1 Show all shifts Show map
opossum 1 1 Show all shifts Show map
opportunity 5 Show all shifts Show map
opposite (space) located directly across from something else, or from each other 4 2 Show all shifts Show map
orange (color) colour of a ripe fruit of an orange tree, midway between red and yellow 1 Show all shifts Show map
orange (plant) an evergreen tree of the genus Citrus such as Citrus sinensis and fruit of this tree 2 1 Show all shifts Show map
orator 1 Show all shifts Show map
order 1 Show all shifts Show map
ordinary 1 1 Show all shifts Show map
oregano 3 Show all shifts Show map
organ (anatomy) larger part of an organism, composed of tissues that perform similar functions 1 Show all shifts Show map
origin None 4 Show all shifts Show map
original (of a document) None 1 Show all shifts Show map
Orion's Belt bright asterism located near the celestial equator, consisting of three bright stars lined up and visibly close together 1 Show all shifts Show map
orphan 7 1 Show all shifts Show map
osprey (Pandion haliaёtus) 7 Show all shifts Show map
ostrich 2 Show all shifts Show map
other 8 1 Show all shifts Show map
other`s 2 Show all shifts Show map
otter (Lutra lutra) 4 7 Show all shifts Show map
outbuilding 1 Show all shifts Show map
outcast one that has been excluded from a society or system, a pariah 1 Show all shifts Show map
outwards Show all shifts Show map
ovary one of the typically paired essential female reproductive organs that produce eggs and in vertebrates female sex hormones 1
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oven 1 Show all shifts Show map
overcoat 2 Show all shifts Show map
owl any of various birds of prey of the order Strigiformes, families Strigidae and Tytonidae, that are primarily nocturnal and have forward-looking, binocular vision, limited eye movement, and good hearing 4 1 Show all shifts Show map
owner 10 3 Show all shifts Show map
owner (female) 3 Show all shifts Show map
owre, buffalo (Bubalus bubalis) 1 Show all shifts Show map
ox adult castrated male of cattle (B. taurus), especially when used as a beast of burden Show all shifts Show map