groomsman
noun
grooms·man ˈgrümz-mən 
ˈgru̇mz-
: a male friend who attends a bridegroom at his wedding
Example Sentences
He asked his two closest college friends to be his groomsmen.
Recent Examples on the Web Andy was a former collegiate distance runner, a social worker with a knack for innovative approaches, and also happened to be a groomsman in my wedding. 
Steve Magness, Outside Online, 24 June 2022 Tellez was in the weddings of former teammates Danny Jansen, an Appleton native whose nuptials Tellez officiated this off-season, and Ryan Borucki, for whom Tellez was a groomsman. Curt Hogg, Journal Sentinel, 23 June 2022 Mahomes' younger brother, Jackson, was the best man at the wedding while his Kansas City Chiefs teammate Travis Kelce was a groomsman. Charmaine Patterson, PEOPLE.com, 31 Mar. 2022 Mahomes' younger brother, Jackson Mahomes, served as his best man at the wedding, while his Kansas City Chiefs teammate Travis Kelce was a groomsman. Georgia Slater, PEOPLE.com, 17 Mar. 2022 Da Brat's former producer and dear friend Jermaine Dupri served as a groomsman and escorted her down the aisle, while her sister, actress LisaRaye McCoy, served as a bridesmaid. Lisa Respers France, CNN, 24 Feb. 2022 Since their time at school, Dazer said Downs served as a groomsman at his wedding and Dazer has visited Downs at his Auburn home. Christopher Williams, Sun Journal (lewiston, Anchorage Daily News, 26 Jan. 2022 My brother was a groomsman in my wedding 17 years ago. Abigail Van Buren, oregonlive, 25 Dec. 2021 When the couple tied the knot, Abloh was by his friend's side as a groomsman. Kaitlyn Frey, PEOPLE.com, 30 Nov. 2021 See More
Steve Magness, Outside Online, 24 June 2022 Tellez was in the weddings of former teammates Danny Jansen, an Appleton native whose nuptials Tellez officiated this off-season, and Ryan Borucki, for whom Tellez was a groomsman. Curt Hogg, Journal Sentinel, 23 June 2022 Mahomes' younger brother, Jackson, was the best man at the wedding while his Kansas City Chiefs teammate Travis Kelce was a groomsman. Charmaine Patterson, PEOPLE.com, 31 Mar. 2022 Mahomes' younger brother, Jackson Mahomes, served as his best man at the wedding, while his Kansas City Chiefs teammate Travis Kelce was a groomsman. Georgia Slater, PEOPLE.com, 17 Mar. 2022 Da Brat's former producer and dear friend Jermaine Dupri served as a groomsman and escorted her down the aisle, while her sister, actress LisaRaye McCoy, served as a bridesmaid. Lisa Respers France, CNN, 24 Feb. 2022 Since their time at school, Dazer said Downs served as a groomsman at his wedding and Dazer has visited Downs at his Auburn home. Christopher Williams, Sun Journal (lewiston, Anchorage Daily News, 26 Jan. 2022 My brother was a groomsman in my wedding 17 years ago. Abigail Van Buren, oregonlive, 25 Dec. 2021 When the couple tied the knot, Abloh was by his friend's side as a groomsman. Kaitlyn Frey, PEOPLE.com, 30 Nov. 2021 See More Word History
First Known Use
1698, in the meaning defined above