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| Date: | 1400-1500 |
| Language: | Anglo-French |
| Origin: | getteson, from Old French getaison 'act of throwing', from getter; JET2 |
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jet‧ti‧son
[transitive]
[transitive]1 to get rid of something or decide not to do something any longer : 
The scheme was jettisoned when the government found it too costly.
The scheme was jettisoned when the government found it too costly.2 to throw things away, especially from a moving plane or ship
