/ Dictionary / Index B belt sander: Meaning and Definition of Find definitions for: belt' sand"er Pronunciation: [key] a sander that uses an endless abrasive belt driven by an electric motor. Cf. disk sander, orbital sander. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Beltrami Beltsville Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language