blue peter Hear it!

blue peter definition

blue peter

a blue signal flag with a white square in the center, flown by a merchant ship to show it is ready to sail

Etymology: prob. < blue repeater, signal flag used in Brit Navy

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.