Definitions

1. adjective

relating to or resembling a flagellum, especially a whip-like appendage or structure

“The flagellar motion of the bacteria was studied under the microscope.”

2. noun

a whip-like appendage or structure, especially one found on some bacteria or other organisms

“The cell had a flagellar protrusion on its surface.”

3. noun

a whip-like structure used for locomotion or other purposes in some organisms, especially certain bacteria

“Flagella allow some bacteria to move through their environment.”