I. ˈje-tē noun
( plural jetties )
Etymology: Middle English getee, jette, from Anglo-French geté, getee, from past participle of geter, jeter to throw — more at jet
Date: 15th century
1.
a. : a structure extended into a sea, lake, or river to influence the current or tide or to protect a harbor
b. : a protecting frame of a pier
2. : a landing wharf
II. intransitive verb
( jet·tied ; jet·ty·ing )
Date: 1598
: project , jut
III. adjective
Date: 1586
: black as jet