A regiment of the British army (part of the Household Cavalry).

(now chiefly historical) A soldier who is a member of the Life Guards.

US standard spelling of guest of honour.

plural of mountain guide

A stipulation in a contract that the adoption of the overall contractual package requires adoption of all of the individual treaties or contracts within it.

plural of guillotine clause

Synonym of anyone's guess

A species of guillemot endemic to the Pacific Ocean, Cepphus columba.

plural of advance-guard

plural of yeoman of the guard