The quality of being maiden-auntish.

(military) A body of troops comprising the chief guard units, especially a unit of cavalry on the wing of a camp towards the enemy, or a group of soldiers in a fortress responsible for dealing with disturbers of the peace.

Sent via mail.

Something sent via mail.

Alternative form of housemaid

Alternative form of parlormaid

An older English form of Frankfurt am Main.

(US) An investigative technique in which the United States Postal Service, acting at the request of a law enforcement agency, records information from the outside of letters and parcels before they are delivered and sends that information to the requesting agency.

plural of mail-in

(theater) Synonym of front curtain