countable a blue flag with a white square in the middle, used by ships to signal that they are ready to sail
Synonyms and related words
Flags
at half-mast
Blue Peter
bunting
2
uncountable a British television programme for children in which the presenters show you how to make things, report from interesting places, and interview special guests
Synonyms and related words
Well-known television and radio programmes and characters
Ambridge
Big Brother
Blue Peter
Blue Peter
noun countable
US
Word Forms
singular
Blue Peter
plural
Blue Peters
DEFINITIONS1
1
a blue flag with a white square in the middle, used by ships to signal that they are ready to sail