The American Heritage® Dictionary of the English Language, 4th Edition
n. Any of various crustaceans of the subclass Cirripedia, which includes the barnacles and related organisms that attach themselves to objects or become parasitic in the adult stage.
n. Any barnacle or similar crustacean of the infraclass Cirripedia
the GNU version of the Collaborative International Dictionary of English
n. One of the Cirripedia.
The Century Dictionary and Cyclopedia
Having feet like cirri; specifically, pertaining to the Cirripedia. Also cirropodous.
n. One of the Cirripedia.
n. Also cirrhiped, cirrhipede, cirrhopod, cirrhopode, cirropod, cirropode.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces