By jettisoning the aggressive rhetoric and cutting U.S. nuclear stockpiles, Reagan helped Gorbachev win at home.
Straighten up and fly right: the capsule is rolling and jettisoning its remaining ballast masses for parachute deploy.
This jettisoning of his property with his own hand seemed uncanny to Soames.
The spectacle of the girl struggling with the stuff she was jettisoning put new determination into him.
In the same place was a small airlock for jettisoning purposes and for taking in more supplies.
In the present work I have the opportunity which so few authors have enjoyed of jettisoning all technics into an Appendix.
1848, from jettison (n.) "act of throwing overboard" to lighten a ship. This noun was an 18c. Marine Insurance writers' restoration of the earlier form and original sense of the 15c. word that had become jetsam, probably because jetsam had taken on a sense of "things cast overboard" and an unambiguous word was needed for "act of throwing overboard."
Middle English jetteson (n.) "act of throwing overboard" is from Anglo-French getteson, from Old French getaison "act of throwing (goods overboard)," especially to lighten a ship in distress, from Late Latin iactionem (nominative iactatio) "act of throwing," noun of action from past participle stem of iectare "toss about" (see jet (v.)). Related: Jettisoned.