ˈfeðə(r)
ˈfeðərIdioms
a feather in your cap
an action that you can be proud of
This idiom comes from the Native American custom of giving a feather to somebody who had been very brave in battle.
Definition of feather noun from the Oxford Advanced Learner's Dictionary
more at birds of a feather (flock together) at bird, you could have knocked me down with a feather at knock verb, ruffle somebody's/a few feathers at ruffle verb, smooth somebody's ruffled feathers at smooth verb
