zo?o?flag?el?late (?zo? ??flæd? ? l?t, -?le?t) n. any flagellated protozoan that lacks photosynthetic pigment and feeds on organic matter: often parasitic. [1955?60] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.