lordosis: in four-legged animals, the crouching, arched or saddle-back, mating posture of the female presenting her hind end to the male for copulation [from Greek, lordosis].

Dictionary of Sexology Project: Main Index

Lor*do"sis (?), n. [NL., fr. Gr. , fr. bent so as to be convex in front.] Med. (a)

A curvature of the spine forwards, usually in the lumbar region.

(b)

Any abnormal curvature of the bones.

 

© Webster 1913.