/ ˈbɜːdi; NAmE ˈbɜːrdi/ noun
1.
( informal ) a child's word for a little bird
2.
( in golf ) a score of one stroke less than par (= the standard score for a hole)
—compare bogey , eagle
3.
( NAmE ) = shuttlecock
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WORD ORIGIN
late 18th cent.: diminutive of bird ; the golf term from US slang bird , denoting any first-rate thing.