blue moon
[bloo moon]
/ ˈblu ˈmun /
NOUN
long period of time
Synonyms
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
To-day, not the Blue-moon itself, but the Man of it came down and ate plum-porridge with me!
From An Englishwoman's Love-Letters by Housman, Laurence