A three-sided polygon.

synonyms: triangle, trigon.

Polish: trójkąt

Involving three parties.

Roget 236: lateral, sidelong; collateral; parietal, flanking, skirting; flanked; sideling.    many sided; multilateral, bilateral, trilateral, quadrilateral.    Eastern; orient, oriental; Levantine; Western, occidental, Hesperian.    ... show more

Having three sides:
— A trilateral figure.

synonyms: three-sided, triangular.

Roget 244: angular, bent, crooked, aduncous^†, uncinated^†, aquiline, jagged, serrated; falciform^†, falcated^†; furcated^†, forked, bifurcate, zigzag; furcular^†; hooked; dovetailed; knock kneed, crinkled, akimbo, kimbo^†, geniculated^†; oblique etc. 217.    fusiform [Micro.], wedge-shaped, cuneiform; cuneate^†, multangular^†, oxygonal^†; triangular, trigonal^†, trilateral; quadrangular, quadrilateral; foursquare; rectangular, square, multilateral; polygonal etc. n.; cubical, rhomboid, rhomboidal, pyramidal.    ... show more

Polish: trójgraniasty