A place of employment in which employment is in no way contingent on membership in a union, though a union may be the exclusive bargaining agent of the employees.

A place of employment in which a union receives dues or the equivalent for all employees excluding management, and bargains for all such employees whether or not they are members of the union.

A place of employment in which newly hired workers must join the union representing the workers within a certain period of time, typically 30 days.

(medicine, crime) The illegal practice of a patient requesting treatment from multiple physicians in order to obtain prescription drugs, either to feed an addiction or resell them.

plural of shopping bag

Alternative form of sweatshop

To indicate too distinctively one's occupation or profession.

op shop

(dated) A place where large machines are put together and adjusted.

(obsolete, US) A gambling place where one may bet on the numbers which will be drawn in lotteries.