Dictionary
din•o•flag•el•late
Pronunciation: (din"u-flaj'u-lāt"), [key]—
n.
any of numerous chiefly marine plankton of the phylum Pyrrophyta (or, in some classification schemes, the order Dinoflagellata), usually having two flagella, one in a groove around the body and the other extending from its center.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.