v.
  - brush and clean the coat of (a horse or dog). 
▸
[often as adj. groomed]
 give a neat and tidy appearance to.
 - prepare or train for a purpose or activity. 
▸(of a paedophile) prepare (a child) for a meeting, especially via an Internet chat room, with the intention of committing a sexual offence.
 
n.
   - a person employed to take care of horses.
 - a bridegroom.
 - Brit. any of various officials of the royal household.
 
 
  Derivative
  
  Etymology
  ME (in the sense ‘boy’, later ‘man, male servant’): of unknown origin.