hemichordate(redirected from hemichordates)
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Any of various wormlike marine animals of the phylum Hemichordata, having gill slits and a structure similar to a notochord.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Animals) any small wormlike marine animal of the subphylum Hemichordata (or Hemichorda), having numerous gill slits in the pharynx: phylum Chordata (chordates)
(Animals) of, relating to, or belonging to the subphylum Hemichordata
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
hem•i•chor•date(ˌhɛm ɪˈkɔr deɪt)
1. belonging or pertaining to the phylum Hemichordata, comprising small marine invertebrates, as the acorn worms, that have a vertebratelike hollow nerve cord and an echinodermlike larval stage.n.
2. a hemichordate animal.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.