Definition of retrorse in English:

retrorse

Line breaks: ret|rorse
Pronunciation: /rɪˈtrɔːs
 
/

adjective

Biology
  • Turned or pointing backwards: retrorse spines
    More example sentences
    • In fish, the retrorse (backward) inclination of the myomeres forms a precursor of the differentiation between a deep and a superficial musculature of the trunk.
    • As the bee's proboscis is inserted into the flower it pushes past the retrorse anthers to the nectar at the base of the tube.

Origin

early 19th century: from Latin retrorsus, contraction of retroversus, from retro 'backwards' + versus 'turned' (past participle of vertere).

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