| n. | 1. | (Bot.) A thread or threadlike object or appendage; a fiber; |
| Noun | 1. | filament - a very slender natural or synthetic fiber |
| 2. | filament - the stalk of a stamen | |
| 3. | filament - a threadlike anatomical structure or chainlike series of cells Synonyms: filum | |
| 4. | filament - a thin wire (usually tungsten) that is heated white hot by the passage of an electric current |