Triangulum noun. [trʌɪ'aŋgjʊlǝm] Also Triangulus. M16.
[Latin triangulum TRIANGLE noun.]
(The name of) a small constellation of the northern hemisphere between Andromeda and Aries; the Triangle.
Triangulum Australe [ɒ'strɑ:li] (the name of) a small constellation lying in the Milky Way near the South Pole; the Southern Triangle.

[TahlilGaran] English Dictionary ▲