/ Dictionary / Index C calculator: Meaning and Definition of Find definitions for: cal•cu•la•tor Pronunciation: (kal'kyu-lā"tur), [key] — n. a person who calculates or computes. Also calleda small electronic or mechanical device that performs calculations, requiring manual action for each individual opertion. a person who operates such a machine. a set of tables that facilitates calculation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: calculator (Thesaurus) calculation calculous Related Content Daily Word Quiz: crockery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language