- the separation of leaves, branches, flowers, and bark from plants by the formation of an abscission layer
- the act of cutting off
WordReference Random House Unabridged Dictionary of American English © 2016
- the act of cutting off;
- Botanythe normal separation of flowers, fruit, and leaves from plants.
- Latin abscissiōn- (stem of abscissiō). See abscissa, -ion