Jettison definition
When you cast aside your old interest in music and throw away your old instruments, this is an example of a situation where you jettison your love of music.
Jettisoned the whole marketing plan.
A ship jettisoning wastes; a pilot jettisoning aircraft fuel.
Origin of jettison
- From Middle English jetteson a throwing overboard of goods to lighten ship from Anglo-Norman getteson from Vulgar Latin iectātiō iectātiōn- from iectātus past participle of *iectāre to throw jet2
From American Heritage Dictionary of the English Language, 5th Edition
- From Anglo-Norman getteson, from Old French getaison (French: would be *jetaison like pendaison). Cognate to jetsam
From Wiktionary