'Jettison' definitions:

Definition of 'jettison'

From: WordNet
verb
Throw away, of something encumbering
verb
Throw as from an airplane

Definition of 'Jettison'

From: GCIDE
  • Jettison \Jet"ti*son\ n. [See Jetsam.] [1913 Webster]
  • 1. (Mar. Law) The throwing overboard of goods from necessity, in order to lighten a vessel in danger of wreck. [1913 Webster]
  • 2. See Jetsam, 1. [1913 Webster]