/ Dictionary / Index S spiral spring: Meaning and Definition of Find definitions for: spi'ral spring' Pronunciation: [key] a form of spring consisting of a wire coiled in a helix. See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spiral of Archimedes spirant Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language