imperial

(noun) a small tufted beard worn by Emperor Napoleon III. Synonyms: imperial beard.

(noun) a piece of luggage carried on top of a coach.

(adj) relating to or associated with an empire. Examples: "Imperial colony." "The imperial gallon was standardized legally throughout the british empire."

(adj) of or belonging to the British Imperial System of weights and measures.

(adj) befitting or belonging to an emperor or empress. Example: "Imperial palace."

(adj) belonging to or befitting a supreme ruler. Synonyms: majestic, purple, regal, royal. Examples: "Golden age of imperial splendor." "Purple tyrant." "Regal attire." "Treated with royal acclaim." "The royal carriage of a stag's head."