The American Heritage® Dictionary of the English Language, 4th Edition
n. Any of various small aquatic animals of the phylum Bryozoa that reproduce by budding and form mosslike or branching colonies permanently attached to stones or seaweed. Also called moss animal, polyzoan.
the GNU version of the Collaborative International Dictionary of English
adj. Of or pertaining to the Bryozoa.
The Century Dictionary and Cyclopedia
In zoology, relating to the Bryozoa.
n. One of the Bryozoa.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles; attach to stones or seaweed and reproduce by budding
Word Usage
"The area is underlain by extensive Pleistocene limestones with oolitic and bryozoan facies, overlaid by variable thicknesses of marl and peat, a thin porous crust which filters the surface water percolating to the aquifer."