jetty
1. jet.ty \'jet-e-\ n [ME jette, fr. MF jetee, fr. fem. of jete`, pp. of jeter)X to throw - more at JET 1a: a structure extended into a sea, lake, or river to influence the curren t or tide or to protect a harbor 1b: a protecting frame of a pier 2: a landing wharf : PIER 2. jetty vi : PROJECT, JUT 3. jetty aj : black as jet