Appendage and Flagellum

Appendage noun - Something that is not necessary in itself but adds to the convenience or performance of the main piece of equipment.

Flagellum and appendage are semantically related. In some cases you can replace term "Flagellum" with "Appendage", this nouns are similar.

Nearby Words: append, appended, appending

Flagellum noun - A lash-like appendage used for locomotion (e.g., in sperm cells and some bacteria and protozoa).

Appendage and flagellum are semantically related. Sometimes you can use "Appendage" instead a noun "Flagellum".