(jettisons, jettisoning, jettisoned)
1.
If you jettison something, for example an idea or a plan, you deliberately reject it or decide not to use it.
The Government seems to have jettisoned the plan.
= abandon
VERB: V n
2.
To jettison something that is not needed or wanted means to throw it away or get rid of it.
The crew jettisoned excess fuel and made an emergency landing.
= discard
VERB: V n