• WordNet 3.6
    • adj retroflex pronounced with the tip of the tongue turned back toward the hard palate
    • adj retroflex bent or curved backward
    • v retroflex articulate (a consonant) with the tongue curled back against the palate "Indian accents can be characterized by the fact that speakers retroflex their consonants"
    • v retroflex bend or turn backward
    • ***
Webster's Revised Unabridged Dictionary
    • a Retroflex Reflexed; bent or turned abruptly backward.
    • ***
Century Dictionary and Cyclopedia
    • retroflex Same as reflexed.
    • retroflex Same as retroflect.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Retroflex rē′trō-fleks reflexed, bent backward—also Rē′troflexed
    • ***


Webster's Revised Unabridged Dictionary
Pref. retro-, + L. flectere, flexum, to bend, to turn
Chambers's Twentieth Century Dictionary
L. retro, backward, flectĕre, flexum, to bend.


In literature:

Examination showed an enlarged and retroflexed uterus and anesthesia of vagina.
"Studies in the Psychology of Sex, Volume 3 (of 6)" by Havelock Ellis
The retroflex portion of the solubility curve of the hexahydrate extends to only 1deg below the melting point of the hydrate.
"The Phase Rule and Its Applications" by Alexander Findlay