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