lens of the eye

Từ điển WordNet v3.1 - WordNet Dictionary

noun

biconvex transparent body situated behind the iris in the eye;
its role (along with the cornea) is to focuses light on the retina
• Syn:
lens, crystalline lens
• Hypernyms:
organ
• Part Holonyms:
eye, oculus, optic
• Part Meronyms:
lens cortex, cortex, lens capsule