threeside
Having three sides; three-sided, triangular.
Adjective
- Having three sides; three-sided, triangular.
Origin
From three + side.
Forms
Noun
- Any object or shape consisting of three sides; triangle.
- [...] let this base-point be indicated by Ax, while the sixth base-point will be indicated by C. Now [c*] contains a threeside formed by a, [...] - 1919, Koninklijke Nederlandse Akademie van Wetenschappen, Proceedings...
- Pappus tells us that Menelaus in his Sphaertca calls the figure in question (the spherical triangle) a 'threeside' [...] - 1921, Sir Thomas Little Heath, A History of Greek Mathematics:
- A triangle is then defined as the figure formed by the aggregate of all the segments joining the respective vertices of a three-side to points on the opposite sides. - 1926, Euclid, translated by Thomas L. Heath, The...