— lordotic /lawr dot"ik/ , adj.
/lawr doh"sis/ , n.
1. Pathol. an abnormal forward curvature of the spine in the lumbar region, resulting in a swaybacked posture. Cf. kyphosis, scoliosis .
2. a posture assumed by some female mammals during mating, in which the back arches downward.
[ 1695-1705; lórdosis lit., a bending back, equiv. to lord ( ós ) bent backwards + -osis -OSIS ]