From dictionary.com:
prohibitionn 1: a law forbidding the sale of alcoholic beverages; "in 1920 the 18th amendment to the Constitution established prohibition in the US" 2: a decree that prohibits something [syn: ban, interdiction, proscription] 3: the period from 1920 to 1933 when the sale of alcoholic beverages was prohibited in the United States by a constitutional amendment [syn: prohibition era] 4: refusal to approve or assent to