Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun flagellum

2 senses of flagellum

Sense 1
scourge, flagellum -- (a whip used to inflict punishment (often used for pedantic humor))
       => whip -- (an instrument with a handle and a flexible lash that is used for whipping)

Sense 2
flagellum -- (a lash-like appendage used for locomotion (e.g., in sperm cells and some bacteria and protozoa))
       => process, outgrowth, appendage -- (a natural prolongation or projection from a part of an organism either animal or plant; "a bony process")