billow cloud
nounDefinition of billow cloud
: a long narrow cloud or usually a series of such clouds roughly parallel to each other caused by the flow of one layer of air over another producing waves at their interface the relatively cold crests of which are cloud-capped and their relatively warm troughs clear when the humidity is just right
Comments on billow cloud
What made you want to look up billow cloud? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Words from Greek and Roman Mythology Quiz
-
- Boreal comes from the name of the ancient Greek god of which wind?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Words from Greek and Roman Mythology Quiz
A mythological/etymological mashup!
Take the quiz -
Great Scrabble Words—A Quiz
Words to improve your Scrabble game
Take the quiz -
True or False?
Test your knowledge - and maybe learn something along the way.
Take the quiz -
SCRABBLE® Sprint
SCRABBLE® fans, sharpen your skills!
Play the game
Share billow cloud
Resources for billow cloud