blue peter
noun
blue pe·ter
ˈblü-ˈpē-tər 
: a blue signal flag with a white square in the center used to indicate that a merchant vessel is ready to sail
Dictionary Entries Near blue peter
Cite this Entry
“Blue peter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blue%20peter. Accessed 21 Dec. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share