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rainbow (n.)
"arc of prismatic colors formed by the refraction of light rays by drops of rain or vapor," Middle English rein-bowe, from Old English renboga; see rain (n.) + bow (n.). Common Germanic compound (Old Frisian reinboga, Old Norse regnbogi, Swedish regenbåge, Dutch regenboog, German Regenbogen). The American rainbow trout (1876) is so called for its resplendent colors. Old English also had scurboga "shower-bow."
updated on April 05, 2021
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Dictionary entries near rainbow
rail-splitter
railway
raiment
rain
rain forest
rainbow
raincheck
rain-cloud
raincoat
raindrop
rainfall