noun
or ret·ro·flec·tion ˌ ̷ ̷ ̷ ̷ˈflekshən
Etymology: probably from (assumed) New Latin retroflexion-, retroflexio, from New Latin retroflexus bent backward + Latin -ion-, -io -ion
1. : the act or process of bending back
2. : the state of being bent back ; specifically : the bending back of the body of the uterus upon the cervix which is little if at all out of its normal axis — compare retroversion
3.
[ retroflex + -ion ]
: retroflex articulation