[ 2 syll. rai-(n)bow, ra-inb-ow ] The baby girl name Rainbow is pronounced REY-NBow- †. Rainbow's origin, as well as its use, is in the English language. The name's meaning is 'the multi-colored arc of light'.
Rainbeau (English variant spelling) is another form of Rainbow.
See also the related category light (sun).
Rainbow is not regularly used as a baby name for girls. It is not listed in the top 1000 names.
Baby names that sound like Rainbow include Rainbeau, Rainbeaux, Rainbo, Rainbowe, Raynbow, Raynebow, Raynebowe, Reynbow, Rambha, Reinbow, and Reinbowe.
† Pronunciation for Rainbow: R as in "race (R.EY.S)" ; EY as in "ate (EY.T)" ; N as in "knee (N.IY)" ; B as in "be (B.IY)" ; OW as in "oak (OW.K)"