/ Dictionary / Index N Napier's bones: Meaning and Definition of Find definitions for: Na'pier's bones' Pronunciation: [key] — Math. Math. a form of multiplication table originally marked on sticks of bone or ivory that could be rearranged to carry out the operations of multiplication or division. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Napierian logarithm napiform 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