[kan-uh
n] 
noun, plural -nons, (especially collectively) -non, verb | 1. | a mounted gun for firing heavy projectiles; a gun, howitzer, or mortar. |
| 2. | British Machinery. quill (def. 10). |
| 3. | Armor. a cylindrical or semicylindrical piece of plate armor for the upper arm or forearm; a vambrace or rerebrace. |
| 4. | Also called cannon bit, canon bit. a round bit for a horse. |
| 5. | the part of a bit that is in the horse's mouth. |
| 6. | (on a bell) the metal loop by which a bell is hung. |
| 7. | Zoology.
|
| 8. | British. a carom in billiards. |
| 9. | Underworld Slang. a pickpocket. |
| 10. | to discharge cannon. |
| 11. | British. to make a carom in billiards. |
| Cannon (kān'ən) Pronunciation Key
American astronomer noted for her work on classifying stellar spectra. Cannon classified the spectra of 225,300 stars brighter than magnitude 8.5, as well as 130,000 fainter stars. |