Triangulum: - Try-An-gou-lum
That doesn't make sense - there is not "a" triangulum galaxy, it is "the" triangulum galaxy. In other words, this is the proper name of one specific galaxy.
At least two constellations: Triangulum, and Triangulum Australe.
Triangulum is the constellation between Aries the Ram and Andromeda. It's also the name of a spiral galaxy - it's named The Triangulum Galaxy because it's found in the Triangulum Constellation.
The galaxy Triangulum is like the Milky Way and Andromeda galaxies a Spiral Galaxy
It is spiral barrered
The name tells us that it is in the Triangulum constellation. That indicates the general direction. Also, the Triangulum Galaxy is approximately 3 million light-years away - fairly close for a galaxy. In other words, it is part of the Local Group.
Aries
Triangle comes from the Latin word -- triangulum,
Milky Way, M31 (the Andromeda Galaxy), the Triangulum Galaxy, the Large Magellanic Cloud, the Small Magellanic Cloud, ...
Canis Major Dwarf Galaxy. If you meant what's the closest spiral galaxy, then the answer is the Triangulum Galaxy.
The Triangulum Galaxy (also known as M33 and NGC 598) is a spiral galaxy 3 million light-years from Earth in the Triangulum constellation, and is 60,000 light-years in diameter, and contains 40 billion stars.