Main Entry: ret·ro·flex

Pronunciation: \ˈre-trə-ˌfleks\

Function: adjective

Etymology: New Latin retroflexus, from Latin retro- + flexus, past participle of flectere to bend

Date: 1776

1 : turned or bent abruptly backward
2 : articulated with the tongue tip turned up or curled back just under the hard palate <retroflex vowel>