Alternative form of letter-perfect

Any of the first seven letters of the alphabet, used in religious calendars to mark the Sundays throughout the year and determine dates such as Easter Sunday.

(archaic) The letter r.

Synonym of letter of comfort

(computing) An alphabetical identifier assigned to a drive or volume on MS-DOS or Windows.

(UK, historical) A postal letter carried only part of the way to the central post office, and delivered to its destination along the way.

A pair of scales for weighing a letter to determine the cost of postage.

plural of letter balance

(law) power of attorney

(law) A collective bargaining agreement that is not part of the underlying or primary collective bargaining agreement used by the parties to the contract.