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| delta |
a triangle of sand and soil deposited at the mouth of some large rivers. [1/2 definitions] |
| flag1 |
a piece of cloth, in the shape of a rectangle or triangle, with colors and designs. Flags are used for signaling or as symbols of a country or organization. [1/2 definitions] |
| gable |
the part of an outside wall that is shaped like a triangle because it fills the space between two sloping ends of a roof. |
| hypotenuse |
the side opposite the right angle in a right triangle; the longest side of a right triangle. |
| isosceles triangle |
a triangle with two sides that are equal in length. |
| jib1 |
a sail that is shaped like a triangle and used in the front of a sailing boat. |
| pennant |
a long flag shaped like a triangle. Pennants are used on ships for signaling or as a sign for a school, team, or some other group. |
| pyramid |
a solid figure whose sides are triangles that meet at a single point. The base of a pyramid can be any flat shape with straight sides, such as a triangle or square. [1/3 definitions] |
| right triangle |
a triangle with a right angle. |
| scalene triangle |
a triangle that has three sides with different lengths. |
| triangle |
something that looks like a triangle. One type of triangle is a musical instrument made of a bent metal rod that is struck by another rod to make a sound like a bell. [1/2 definitions] |
| triangular |
of or shaped like a triangle. |
| wedge |
a piece of wood or metal shaped like a triangle with a thin edge. A wedge is driven or forced between objects to split, lift, or make them stronger. [2/5 definitions] |
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