Genu

·noun The Knee.

II. Genu ·noun The kneelike bend, in the anterior part of the callosum of the brain.

genu
gĕnu, ūs, n. (also nom. sing. gĕnum, n., Front. Ep. ad M. Caes. 5, 44; and gĕ-nus, m., Lucil. ap. No...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
genu
genū ūs (gen.genū, O.; plur.genua, disyl.V.), n cf. γόνυ, a knee : Fine genūs vestem succincta, O....

An Elementary Latin Dictionary