groom / groōm; groŏm/ • v. [tr.] 1. look after the coat of (a horse, dog, or other animal) by brushing and cleaning it: you must be prepared to spend time grooming your dog. ∎ (of an animal) clean the fur or skin of: their main preoccupation is licking and grooming themselves. ∎ give a neat and tidy appearance to (someone): [as n.] (grooming) she pays great attention to makeup, grooming, and clothes. ∎ look after (a lawn, ski slope, or other surface).2. prepare or train (someone) for a particular purpose or activity: star pupils who are groomed for higher things.• n. 1. a person employed to take care of horses.2. a bridegroom.3. Brit. any of various officials of the royal household.