lor·do·sis 
(lôr-dōsĭs)
(lôr-dōsĭs)n. pl. lor·do·ses (-sēz)
1. An abnormal forward curvature of the spine in the lumbar region.
2. The mating posture displayed by female rodents and certain other mammals, in which the back is arched downward and the hindquarters are raised.
[Greek lordōsis, from lordos, bent backward.]
lor·dotic (-dŏtĭk) adj.
- south-southwest
- South Sudan
- South Temperate Zone
- South Vietnam
- South Vietnamese
- southward
- southwardly
- southwards
- southwest
- South-West Africa.
- South-West Africa
- southwest by south
- southwest by west
- southwester
- southwesterly
- southwestern
- southwestward
- southwestwardly
- southwestwards
- South Yemen
- souvenir
- souvlaki
- sou'wester
- sou'wester
- sovereign