| n. | 1. | A flintlock gun. See 2d Fusil. |
| 2. | A fuse. See Fuse, | |
| 3. | A friction match for smokers' use having a bulbous head which when ignited is not easily blown out even in a gale of wind. | |
| 4. | A signal device, usually cylindrical, consisting of a tube filled with a composition which burns with a bright colored light for a definite time. It is used principally for the protection of trains or road vehicles, indicating an obstruction or accident ahead. Also called a | |
| 1. | The track of a buck. | |
| 1. | The cone or conical wheel of a watch or clock, designed to equalize the power of the mainspring by having the chain from the barrel which contains the spring wind in a spiral groove on the surface of the cone in such a manner that the diameter of the cone at the point where the chain acts may correspond with the degree of tension of the spring. |
| Noun | 1. | fusee - a spirally grooved spindle in a clock that counteracts the diminishing power of the uncoiling mainspring Synonyms: fusee drive |
| 2. | fusee - a colored flare used as a warning signal by trucks and trains Synonyms: fuzee | |
| 3. | fusee - a friction match with a large head that will stay alight in the wind Synonyms: fuzee | |
| 4. | fusee - any igniter that is used to initiate the burning of a propellant |