lordosis

From λορδός (lordós, “bent backward”) +‎ -σις (-sis).

lordosis (countable and uncountable, plural lordoses)

1. (pathology) An excessive backwards curvature of the spine, causing a hollow in the back.
2. (zoology) A body posture of some female mammals, indicating receptivity to copulation. It involves lowering of the forelimbs but with the rear limbs extended and hips raised, ventral arching of the spine and a raising, or sideward displacement, of the tail.

• hollow back
• saddle back

• hyperlordosis
• kypholordosis
• lordotic

• kyphosis
• swayback

• soldiors

lordosis f (plural lordosis)

1. (pathology) lordosis

• “lordosis”, in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014