1rare, literary with object To cut off; to separate, detach.
2with object To cause to undergo abscission; = "abscise". Only in pass.
3no object To undergo abscission; = "abscise".
Early 17th century; earliest use found in William Folkingham (fl. 1610–1620). From classical Latin abscindere to tear or cut off, to separate from ab- + scindere to cut, rend.