Tri"gon (?), n. [L. trigonum, Gr. &?;; &?; (see Tri-) + &?; a corner, angle: cf. F. trigone.]

1.

A figure having three angles; a triangle.

2. (Astrol.)

(a)

A division consisting of three signs.

(b)

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

3. (Gr. & Rom. Antiq.)

(a)

A kind of triangular lyre or harp.

(b)

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

 

© Webster 1913


Tri"gon (?), n. (Zoöl.)

The cutting region of the crown of an upper molar, usually the anterior part. That of a lower molar is the Tri"go*nid (&?;).

 

© Webster 1913

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