Open English Wordnet
Nouns
(n)cross, crown of thornsany affliction that causes great suffering“that is his cross to bear”, “he bears his afflictions like a crown of thorns”
(n)hybrid, crossbreed, cross(genetics) an organism that is the offspring of genetically dissimilar parents or stock; especially offspring produced by breeding plants or animals of different varieties or breeds or species“a mule is a cross between a horse and a donkey”
(n)hybridization, hybridisation, crossbreeding, crossing, cross, interbreeding, hybridizing(genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids
Verbs
(v)traverse, track, cover, cross, pass over, get over, get across, cut through, cut acrosstravel across or pass over“The caravan covered almost 100 miles each day”
(v)crossbreed, cross, hybridize, hybridise, interbreedbreed animals or plants using parents of different races and varieties“cross a horse and a donkey”, “Mendel tried crossbreeding”, “these species do not interbreed”
Adjectives
(s)cross, transverse, transversal, thwartwiseextending or lying across; in a crosswise direction; at right angles to the long axis“cross members should be all steel”, “from the transverse hall the stairway ascends gracefully”, “transversal vibrations”, “transverse colon”