An official prohibition or edict against something

• The action of prohibiting or inhibiting or forbidding (or an instance thereof)

WordNet Word definitions in WordNet
n. an official prohibition or edict against something [syn: ban , banning , forbidding ] the action of prohibiting or inhibiting or forbidding (or an instance thereof); "they were restrained by a prohibition in their charter"; "a medical inhibition of alcoholic ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Forbiddance \For*bid"dance\, n. The act of forbidding; prohibition; command or edict against a thing. [Obs.] How hast thou yield to transgress The strict forbiddance. --Milton.

Wiktionary Word definitions in Wiktionary
n. an official prohibition or edict against something.