Term: Mast Image: [{"name":"images\/public\/dictionary\/Mast_6bse2onx.jpg","usrName":"Mast.jpg","size":68345,"type":"image\/jpeg","thumbnail":"images\/public\/dictionary\/thMast_33y47nx8.jpg","thumbnail_type":"image\/jpeg","thumbnail_size":68345,"searchStr":"Mast.jpg,!:sStrEnd"}] Definition: Vertical spar that supports sails.