I. bird‧ie¹ /ˈbɜːdi $ ˈbɜːrdi/ noun [countable]

1. spoken a word meaning a little bird, used especially by or to children

2. in golf, a score that is one less than par

3. American English a small object with feathers that you hit across the net in a game of badminton Synonym : shuttlecock British English

[TahlilGaran] Dictionary of Contemporary English ▲

II. birdie² verb [transitive]
in golf, to get the ball into the hole in one hit less than par:
Woods birdied the last two holes.

[TahlilGaran] Dictionary of Contemporary English ▲