flagellate
1. flag.el.late \'flaj-*-.la-t\ vt [L flagellatus, pp. of flagellare, fr. flagellum, dim. of ]flagrum whip; akin to ON blaka to wave 1: WHIP 2: to drive or punish as if by whipping 2. fla.gel.late \'flaj-*-l*t, -.la-t; fl*-'jel-*t\ \'flaj-*-.la-t-*d\ aj or flag.el.lat.ed [NL flagellatus, fr. flagellum] [3flagellate] 1a: having flagella 1b: shaped like a flagellum 2: of, relating to, or caused by flagellates 3. flagellate \like 2\ n [NL Flagellata, class of unicellular organisms, fr. neut. pl. of flage]llatus : a flagellate protozoan or alga
Webster's English Dictionary