noun.
An officer responsible for the care and supervision of the horses of a person of rank.
noun.
A personal attendant to a head of state, a member of a royal family, or a national representative.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
an official charged with the care of the horses of princes or nobles
noun.
a personal attendant of the British royal family
Word Usage
"None of the children had any very clear idea as to the meaning of that word 'equerry'; therefore it always filled them with a vague terror of unknown possibilities."