synchronizer noun6 •One who or that which synchronizes. •Part of a synchromesh manual transmission that allows the smooth engagement of gears. •A device that permits an automatic weapon to fire between the blades of a revolving propeller. •A kind of arbiter. •A device for aligning multiple film strips in a replay or editing device. •An algorithm that can be applied to a synchronous distributed algorithm to produce a version that operates in asynchronous networks. formssynchronizers