Term: Propeller Image: [{"name":"images\/public\/dictionary\/Propeller_aqvqqgyl.jpg","usrName":"Propeller.jpg","size":109981,"type":"image\/jpeg","thumbnail":"images\/public\/dictionary\/thPropeller_70ubym4k.jpg","thumbnail_type":"image\/jpeg","thumbnail_size":32878,"searchStr":"Propeller.jpg,!:sStrEnd"}] Definition: A rotating multi-blade device that propels a boat through the water.