Dictionary.com

sunbow

[ suhn-boh ]
/ ˈsʌnˌboʊ /
Save This Word!

noun

a bow or arc of prismatic colors like a rainbow, appearing in the spray of cataracts, waterfalls, fountains, etc.

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

Origin of sunbow

First recorded in 1810–20; sun + bow2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for sunbow

British Dictionary definitions for sunbow

sunbow
/ (ˈsʌnˌbəʊ) /

noun

a bow of prismatic colours similar to a rainbow, produced when sunlight shines through spray
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for sunbow

sunbow
[ sŭnbō′ ]

A prismatic arc of colors, similar to a rainbow, resulting from the refraction of sunlight through a mist or spray of water.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
See Today's Synonym