A protozoan or other microorganism possessing four flagella. ... Origin: tetra-+ G. Mastix, whip ... (05 Mar 2000) ... 
Type: Term Pronunciation: tet′ră-mas′ti-gōt Definitions: 1. A protozoan or other microorganism possessing four flagella.
tetramastigote 1. Having four flagella. 2. An organism having four flagella (whips or long, threadlike appendages, especially whip-like extensions of certain cells or unicellular organisms that function as organs of locomotion).