rat-a-tat ra·ta·tat uncommon noun 1. a series of short sharp taps (as made by strokes on a drum or knocks on a door) Synonymsrat-a-tat-tatrat-tat Related words Word family rat-a-tat-tat Broader terms tapping WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
