a feather in cap - idioms

a feather in cap

 
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a feather in your cap

an achievement that you can be proud of An order for 28 new aircraft is quite a feather in Boeing's cap.

See also: cap, feather

Cambridge Dictionary of American Idioms Copyright © Cambridge University Press 2003. Reproduced with permission.

a feather in somebody's cap

  (old-fashioned)

something very good that someone has done A new television series will be another feather in his cap.

See also: cap, feather

Cambridge Idioms Dictionary, 2nd ed. Copyright © Cambridge University Press 2006. Reproduced with permission.