n.
Function: transitive verb
Date: 1848
1 : to make jettison of
2 : to get rid of as superfluous or encumbering : omit or forgo as part of a plan or as the result of some other decision <must be prepared to jettison many romantic notions Christopher Catling>
3 : to drop from an aircraft or spacecraft in flight
– jet · ti · son · able \ -s ə -n ə -b ə l, -z ə - \ adjective