What is "abscise"

vb. 1 (context transitive English) To cut off. (First attested in the early 17^th century.)(R:SOED5: page=8) 2 (context intransitive botany English) To separate by means of abscission; to shed or drop off. (First attested in the early 20^th century.)

1. v. shed flowers and leaves and fruit following formation of a scar tissue

2. remove or separate by abscission