grooms·man 
/ˈgru:mzmən/ noun
plural grooms·men /-mən/ /ˈgru:mzmən/ noun [count] chiefly US : a male friend or relative who helps a groom at his wedding
▪ He asked his two closest college friends to be his groomsmen. — compare best man, bridesmaid, maid of honor, matron of honor
▪ He asked his two closest college friends to be his groomsmen. — compare best man, bridesmaid, maid of honor, matron of honor
