Triangular and Angular

adjective

• Having three angles; forming or shaped like a triangle.
  • usage: "a triangular figure"; "a triangular pyrimid has a triangle for a base"
• Having three sides.
  • usage: "a trilateral figure"
  • synonyms: trilateral, three-sided

• (a.) Oblong or elongated, and having three lateral angles; as, a triangular seed, leaf or stem.
• (a.) Having three angles; having the form of a triangle.

adjective

• Measured by an angle or by the rate of change of an angle.
  • usage: "angular momentum"
• Having angles or an angular shape.
  • synonyms: angulate

• (n.) A bone in the base of the lower jaw of many birds, reptiles, and fishes.
• (a.) Relating to an angle or to angles; having an angle or angles; forming an angle or corner; sharp-cornered; pointed; as, an angular figure.
• (a.) Fig.: Lean; lank; raw-boned; ungraceful; sharp and stiff in character; as, remarkably angular in his habits and appearance; an angular female.
• (a.) Measured by an angle; as, angular distance.