What does the word triangular mean?

Usage examples for triangular

  1. It was a triangular piece of smooth grass growing on the old bed of the river, which for many years had been leaving this side, and wearing away the opposite bank. – Alec Forbes of Howglen by George MacDonald
  2. There was a large beech- tree overshadowing the place, and the small, sharp, triangular beech- nuts lay scattered thickly on the ground. – The Freedmen's Book by Lydia Maria Child
  3. We have a triangular family altogether- two to each of us, and why should she want any more? – St. Cuthbert's by Robert E. Knowles