Definitions
1.NounA flag consisting of three stripes.
2.NounAn optical illusion, the Penrose triangle.
3.NounA lexicographic symbol consisting of three vertically stacked dashes (≡), sometimes used to represent logical equivalence.
4.NounTriathlon handlebars on a bicycle.
5.NounThe arrangement of the signature stacked lights on a Ford Mustang.
6.NounA concrete structure made up of three lengths, or bars, separated by air pockets, which is used to construct revetments such as breakwaters.
7.NounA weight shaped like an equilateral triangle, made for strength and conditioning, used for exercise and core workouts.