The act of joining two or more things into one; combination.

联合；合并。

A league; mutual agreement.

联盟；协约。

Matrimony.

结婚。

A confederation; a whole made by combining parts previously under individual organization.

同盟；联邦

A flag or part of a flag emblematic of union, as the starry canton on the U.S. flag.

联合旗帜；国旗上象征政治统一的图案(如美国国旗上星星)。

An association of individuals or groups; specif. an association of workers formed for mutual benefit and protection by means of collective bargaining, legislation, etc.

协会；联合会；公会；(尤指工人所组织之)工会(常称 labor union; trade union)。

Any of various kinds of coupling for connecting pipes or rods.

【机】接合管(连接管、杆等的各部分之装置)。

The set of all elements belonging to one or more of given collection of two or more sets. Also called join, sum.

并集。

The mathematical or logical operation of converting separate sets to a union.

【数】联集(将隔离集转为并集的数学或逻辑运算)。

Of or pertaining to union or unions.

联合的；公会的。