plural of union tee

A device used to join two pipes by drawing together flanges fitted over their ends

A type of trade bloc which is composed of a free trade area with a common external tariff.

Dated form of trade union.

plural of art 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.

(mathematics) A union of sets forced to be disjoint by attaching information referring to the original sets to their elements (i.e., by using indexing).

plural of trades union / plural of trade union when referring to unions representing different trades.

Sexual intercourse.

plural of credit union