Definition of imperial

• a. - Of or pertaining to an empire, or to an emperor; as, an imperial government; imperial authority or edict.
• a. - Belonging to, or suitable to, supreme authority, or one who wields it; royal; sovereign; supreme.
• a. - Of superior or unusual size or excellence; as, imperial paper; imperial tea, etc.
• n. - The tuft of hair on a man's lower lip and chin; -- so called from the style of beard of Napoleon III.
• n. - An outside seat on a diligence.
• n. - A luggage case on the top of a coach.
• n. - Anything of unusual size or excellence, as a large decanter, a kind of large photograph, a large sheet of drowing, printing, or writing paper, etc.
• n. - A gold coin of Russia worth ten rubles, or about eight dollars.
• n. - A kind of fine cloth brought into England from Greece. or other Eastern countries, in the Middle Ages.