Term: Bitt Image: [{"name":"images\/public\/dictionary\/bitt_hqr28cz0.jpg","usrName":"bitt.jpg","size":7237,"type":"image\/jpeg","thumbnail":"images\/public\/dictionary\/thbitt_e7bszm37.jpg","thumbnail_type":"image\/jpeg","thumbnail_size":7237,"searchStr":"bitt.jpg,!:sStrEnd"}] Definition: Vertical post extending above the deck to secure docking lines.