"Triakisoctahedron" is a word in ENGLISH

A division consisting of three signs.

A kind of triangular lyre or harp.

A figure having three angles; a triangle.

A kind of game at ball played by three persons standing at the angular points of a triangle.

Trine, an aspect of two planets distant 120 degrees from each other.

Having three angles, or corners; triangular; as, a trigonal stem, one having tree prominent longitudinal angles.

A smooth triangular area on the inner surface of the bladder, limited by the apertures of the ureters and urethra.

Same as Trigonal.

The aspect of planets distant from each other 120 degrees, or one third of the zodiac; trigon.

Three sided, the sides being plane or concave; having three salient angles or edges; trigonal.