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retroserrate

American  
[re-troh-ser-it, -eyt] / ˌrɛ troʊˈsɛr ɪt, -eɪt /

adjective

Botany, Zoology.
  1. having retrorse teeth or barbs.


Etymology

Origin of retroserrate

First recorded in 1855–60; retro- + serrate