n. & v.
n. 1 a person employed to take care of horses. 2 = BRIDEGROOM. 3 Brit. Mil. any of certain officers of the Royal Household.
v.tr. 1 a curry or tend (a horse). b give a neat appearance to (a person etc.). 2 (of an ape or monkey etc.) clean and comb the fur (of its fellow) with the fingers. 3 prepare or train (a person) for a particular purpose or activity (was groomed for the top job).
[ ME, orig. = boy: orig. unkn. ]