[n] the act of cutting something off
[n] shedding of flowers and leaves and fruit following formation of scar tissue in a plant
Misc. Definitions
\Ab*scis"sion\, n. [L. abscissio. See {Abscind}.]
1. The act or process of cutting off. ``Not to be cured without the abscission of a member.'' --Jer. Taylor.
2. The state of being cut off. --Sir T. Browne.
3. (Rhet.) A figure of speech employed when a speaker having begun to say a thing stops abruptly: thus, ``He is a man of so much honor and candor, and of such generosity -- but I need say no more.''