Noun
1. any shape that is triangular in cross section
2. a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States
3. a diacritical mark (an inverted circumflex) placed above certain letters (such as c) to indicate pronunciation
4. a heel that is an extension of the sole of the shoe
5. (golf) an iron with considerable loft and a broad sole
6. something solid that is usable as an inclined plane (shaped like a V) that can be pushed between two things to separate them
7. a block of wood used to prevent the sliding or rolling of a heavy object