Definition of best man
: the principal groomsman at a wedding
Examples of best man in a sentence
The groom asked his brother to be his best man and the bride asked her sister to be her maid of honor.
First Known Use of best man
BEST MAN Defined for English Language Learners
Definition of best man for English Language Learners
: the most important male friend or relative who helps a groom at his wedding
Seen and Heard
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