royal

adjective

• having the status of a king or queen or a member of their family:contributors included members of the royal family
• belonging to, carried out, or exercised by a king or queen:the royal palace the coalition obtained royal approval for the appointment
• in the service or under the patronage of a king or queen:a royal maid
• of a quality or size suitable for a king or queen; splendid:she received a royal welcome
• [attributive] British informal real; utter (used for emphasis):she’s a right royal pain in the behind

noun

• 1 informal a member of the royal family: the royals are coming under the TV microscope

• 2short for royal sail or royal mast.

• 3short for royal stag.

• 4 (in full metric royal) [mass noun] a paper size, 636 × 480 mm.
• (in full royal octavo) a book size, 234 × 156 mm.
• (in full royal quarto) a book size, 312 × 237 mm.

• 5 Bell-ringing a system of change-ringing using ten bells.