retroflection
n 1: a turning or tilting backward of an organ or body part;
"retroversion of the uterus" [syn: {retroversion},
{retroflection}, {retroflexion}]
2: an articulatory gesture made by turning the tip of the tongue
back against the roof of the mouth [syn: {retroflection},
{retroflexion}]
3: the act of bending backward [syn: {retroflection},
{retroflexion}]