WordReference Random House Unabridged Dictionary of American English © 2020
ab•scise  (ab sīz),USA pronunciation v.i.,  -scised, -scis•ing. [Bot.]
  1. Botanyto separate by abscission, as a leaf from a stem.
  • Latin abscīsus cut off (past participle of abscīdere), equivalent. to abs- abs- + -cīdere, combining form of caedere to cut
  • 1605–15

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