nounWord forms: Latin genitiveTrianguli (traɪˈæŋɡjʊˌlaɪ)
a small triangular constellation in the N hemisphere, close to Perseus and Aries
Triangulum in American English
(traɪˈæŋgjələm)
noun
a N constellation between Aries and Andromeda
Triangulum in American English
(traiˈæŋɡjələm)
nounWord forms: Latin genitive-li (-ˌlai)
Astronomy
the Triangle, a northern constellation between Pisces and Perseus
Word origin
[1545–55; ‹ NL]This word is first recorded in the period 1545–55. Other words that entered Englishat around the same time include: articulate, fusion, integral, offset, species