/ Dictionary / Index R rainbow seaperch: Meaning and Definition of Find definitions for: rain'bow sea'perch Pronunciation: [key] an embiotocid fish, Hypsurus caryi, living off the Pacific coast of North America, having red, orange, and blue stripes on the body. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rainbow runner rainbow snake Related Content Daily Word Quiz: entomology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language