blue peter

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noun Nautical.

a blue flag with a white square in the center, designating the letter P in the International Code of Signals, flown by a vessel in port to indicate its imminent departure.

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His boss, whom he admires, is waiting to meet with him about the big project.

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Origin of blue peter

First recorded in 1815–25

Words nearby blue peter

blue norther, bluenose, blue note, blue-on-blue, blue-pencil, blue peter, blue phlox, blue pike, blue pill, blue plate, bluepoint

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use blue peter in a sentence

Clad in a blue, striped button-down, a silver watch adorning his left wrist, Huckabee beams on the cover.
Huckabee 2016: Bend Over and Take It Like a Prisoner!|Olivia Nuzzi|January 8, 2015|DAILY BEAST
Yeah, the “Giant man-puppy” that is Gronkowski won't hold a sexual candle to the blue-eyed dreamboat.
‘A Gronking to Remember’ Speed Read: 8 Naughtiest Bits|Emily Shire|January 7, 2015|DAILY BEAST
GOP leaders refused; they saw that Duke was pulling blue-collar Democrats to the party.
The Louisiana Racists Who Courted Steve Scalise|Jason Berry|January 3, 2015|DAILY BEAST
At Christianity Today, Peter Chin claims Christians should preach peace instead of bogging down in the particulars of race.
No Gods, No Cops, No Masters|James Poulos|January 1, 2015|DAILY BEAST

It denotes the person that puts on the badge, puts on the blue uniform, and goes into the streets to put their life at risk.
Cop Families Boo De Blasio at NYPD Graduation|Michael Daly|December 30, 2014|DAILY BEAST
In the evening, St. Peter's and its accessories were illuminated—by far the most brilliant spectacle I ever saw.
Glances at Europe|Horace Greeley
In pursuing his alchemical researches, he discovered Prussian blue, and the animal oil which bears his name.
The Every Day Book of History and Chronology|Joel Munsell
Mary is fair as the morning dew— Cheeks of roses and ribbons of blue!
Boys and Girls Bookshelf; a Practical Plan of Character Building, Volume I (of 17)|Various
His nose was hooked and rather large, his eyes were blue, bright as steel, and set a trifle wide.
St. Martin's Summer|Rafael Sabatini
The most promising of the methods which have been devised are cryoscopy, the methylene-blue test, and the phloridzin test.
A Manual of Clinical Diagnosis|James Campbell Todd

British Dictionary definitions for blue peter

blue peter

noun

a signal flag of blue with a white square at the centre, displayed by a vessel about to leave port

Word Origin for blue peter

C19: from the name Peter

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