Main Entry: ¹jet·ti·son

Pronunciation: \ˈje-tə-sən, -zən\

Function: noun

Etymology: Middle English jetteson, from Anglo-French geteson, literally, action of throwing, from Latin jactation-, jactatio, from jactare — more at jet

Date: 15th century

: a voluntary sacrifice of cargo to lighten a ship's load in time of distress