flagellum

(redirected from Bacterial flagella)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

flagellum

1. Biology a long whiplike outgrowth from a cell that acts as an organ of locomotion: occurs in some protozoans, gametes, spores, etc.
2. Botany a long thin supple shoot or runner
3. Zoology the terminal whiplike part of an arthropod's appendage, esp of the antenna of many insects