Un"ion (?; 277), n. [F., from L. unio
oneness, union, a single large pearl, a kind of onion, fr. unus one.
See One, and cf. Onion, Unit.] 1.
The act of uniting or joining two or more things into one, or the
state of being united or joined; junction; coalition;
☞ Union differs from connection, as it implies that
the bodies are in contact, without an inter?ening body; whereas things
may be connected by the in???vention of a third body, as by a
cord or chain.
2. Agreement and conjunction of mind, spirit, will,
affections, or the like; harmony; concord.
3. That which is united, or made one; something
formed by a combination or coalition of parts or members; a confederation;
a consolidated body; a league; as, the weavers have formed a union;
trades unions have become very numerous; the United States of
America are often called the Union. A. Hamilton.
4. A textile fabric composed of two or more
materials, as cotton, silk, wool, etc., woven together.
5. A large, fine pearl. [Obs.]
If they [pearls] be white, great, round, smooth, and weighty
. . . our dainties and delicates here at Rome . . . call them
unions, as a man would say "singular," and by themselves
In the cup an union shall he throw, Shak.
Richer than that which four successive kings
In Denmark's crown have worn.
6. A device emblematic of union, used on a national
flag or ensign, sometimes, as in the military standard of Great Britain,
covering the whole field; sometimes, as in the flag of the United States,
and the English naval and marine flag, occupying the upper inner corner,
the rest of the flag being called the fly. Also, a flag having such
a device; especially, the flag of Great Britain.
☞ The union of the United States ensign is a cluster of
white stars, denoting the union of the States, and, properly, equal in
number to that of the States, displayed on a blue field; the fly
being composed of alternate stripes of red and white. The union of
the British ensign is the three crosses of St. George, St. Andrew, and St.
Patrick in combination, denoting the union of England, Scotland and
Ireland, displayed on a blue field in the national banner used on shore, on
a red, white, or blue field in naval ensigns, and with a white border or
fly in the merchant service.
7. (Mach.) A joint or other connection
uniting parts of machinery, or the like, as the elastic pipe of a tender
connecting it with the feed pipe of a locomotive engine; especially, a pipe
fitting for connecting pipes, or pipes and fittings, in such a way as to
8. (Brewing) A cask suspended on trunnions,
in which fermentation is carried on.
Hypostatic union (Theol.) See under
Hypostatic. -- Latin union. See under
Latin. -- Legislative Union (Eng.
Hist.), the union of Great Britain and Ireland, which took place
Jan. 1, 1801. -- Union, or Act of
Union (Eng. Hist.), the act by which Scotland was
united to England, or by which the two kingdoms were incorporated into one,
in 1707. -- Union by the first, or
second, intention. (Surg.)
See To heal by the first, or second, intention, under
Intention. -- Union down (Naut.),
a signal of distress at sea made by reversing the flag, or turning its
union downward. -- Union jack. (Naut.)
See Jack, n., 10. -- Union
joint. (Mech.) (a) A joint formed by
means of a union. (b) A piece of pipe made in the
form of the letter T.
Syn. -- Unity; junction; connection; concord; alliance;
coalition; combination; confederacy. -- Union, Unity.
Union is the act of bringing two or more things together so as to
make but one, or the state of being united into one. Unity is a
state of simple oneness, either of essence, as the unity of
God, or of action, feeling, etc., as unity of design, of affection,
etc. Thus, we may speak of effecting a union of interests which
shall result in a unity of labor and interest in securing a given
One kingdom, joy, and union without end.
[Man] is to . . . beget Milton.
Like of his like, his image multiplied.
In unity defective; which requires
Collateral love, and dearest amity.