Biol. bent or turned backward or downward
Origin of retrorseClassical Latin retrorsus, contr. of retroversus, bent backward from retro, back + versus, past participle of vertere, to turn: see verse
Directed or turned backward or downward.
Origin of retrorseLatin retrōrsus from retrōversus retrō- retro- versus past participle of vertere to turn ; see wer-2 in Indo-European roots.