/ Dictionary / Index R rotary shutter: Meaning and Definition of Find definitions for: ro'tary shut'ter Pronunciation: [key] a camera shutter consisting of a rotating disk pierced with a slit that passes in front of the lens to expose the film or plate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rotary pump rotary-till Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language