資料來源 : Webster's Revised Unabridged Dictionary (1913)

Biflagellate \Bi`fla*gel"late\, a. [Pref. bi- + flagellate.]
   Having two long, narrow, whiplike appendages.

資料來源 : WordNet®

biflagellate
     adj : having two flagella; "a biflagellate zoospore"