Term: Outdrive Image: [{"name":"images\/public\/dictionary\/Outdrive_hhx5t1pa.jpeg","usrName":"Outdrive.jpeg","size":115398,"type":"image\/jpeg","thumbnail":"images\/public\/dictionary\/thOutdrive_h4abn1d6.jpeg","thumbnail_type":"image\/jpeg","thumbnail_size":44176,"searchStr":"Outdrive.jpeg,!:sStrEnd"}] Definition: The lower unit of a stern-drive motor that houses the drive gears and to which the propeller fastens.