Triangulum

[ trahy-ang-gyuh-luh m ]
/ traɪˈæŋ gyə ləm /

noun, genitive Tri·an·gu·li [trahy-ang-gyuh-lahy] /traɪˈæŋ gyəˌlaɪ/. Astronomy.

the Triangle, a northern constellation between Pisces and Perseus.

Origin of Triangulum

Borrowed into English from New Latin around 1545–55

Example sentences from the Web for triangulum

  • The Andromeda Nebula is apparently less advanced toward transformation into stellar bodies than is that in Triangulum.

    Curiosities of the Sky |Garrett Serviss

  • Triangulum and Aries are two rather inconspicuous constellations that lie on, or close to, the meridian at this time.

    Astronomy for Young Folks |Isabel Martin Lewis

  • Triangulum is a very ancient constellation, being formerly named Deltoton, from the Greek letter Delta Δ.

    A Field Book of the Stars |William Tyler Olcott

British Dictionary definitions for triangulum

Triangulum
/ (traɪˈæŋɡjʊləm) /

noun Latin genitive Trianguli (traɪˈæŋɡjʊˌlaɪ)

a small triangular constellation in the N hemisphere, close to Perseus and Aries