Longman Dictionary of Contemporary English
best man
noun
EXAMPLES FROM CORPUS
▪ And her frail brother bravely struggled from his sick bed to be best man.
▪ The bride walked to the church with the best man with the groom following.
▪ They were close friends, and Critchley was the best man at Heseltine's wedding.
The Collaborative International Dictionary
best man
Groomsman \Grooms"man\, n.; pl. Groomsmen. A male attendant of a bridegroom at his wedding; -- the chief attendant is also called the best man; -- the correlative of bridesmaid.
Wiktionary
best man
n. The primary attendant to the groom in a wedding ceremony.
WordNet
best man
n. the principal groomsman at a wedding
Wikipedia
Best Man (The King of Queens)
Best man (disambiguation)
Best man may refer to:
- Best man, the first attendant to the groom, in a wedding party.
Usage examples of "best man".
Picard had been best man at Ammerman's wedding and godfather to his eldest daughter.