synchronizer

(automotive) Part of a synchromesh manual transmission that allows the smooth engagement of gears.

(aerial warfare) A device that permits an automatic weapon to fire between the blades of a revolving propeller.

(electronics) A kind of arbiter.

(film editing) A device for aligning multiple film strips in a replay or editing device.

(computing theory) An algorithm that can be applied to a synchronous distributed algorithm to produce a version that operates in asynchronous networks.