Equerry (noun)

1. A senior official in charge of the horses of a sovereign, prince, or nobleman.
2. An officer in charge of horses and riding equipment in a cavalry or horse artillery unit.

Origin:

Derived from the old french 'esquier' meaning 'squire, attendant', from the latin 'scutarius' meaning 'shield-bearer'.

Examples:

1. The King's equerry was responsible for the care and maintenance of the royal stables.
2. The equerry was trained to manage the horses and ensure they were in top condition for royal engagements.
3. The equerry inspected the horses and equipment before every military parade.
4. The Duke's equerry was also his trusted advisor and accompanied him on his travels.
5. The equerry's expertise was essential in the selection and purchase of horses for the royal household.