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Able to swim freely; not sessile or attached: free-swimming oyster larvae.

free′-swim′mer n.
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.


(Zoology) (of aquatic animals or larvae) not sessile or attached to any object and therefore able to swim freely in the water
ˌfree-ˈswimmer n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(of aquatic organisms) not attached to a base or joined in a colony; capable of swimming about freely.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend: - (of animals) able to swim about; not attached
animal, animate being, beast, creature, fauna, brute - a living organism characterized by voluntary movement
vagile - having freedom to move about; "vagile aquatic animals"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Because cobia also are making their spring appearance, have a rod rigged and ready with a brightly-colored jig for any free-swimmers that show up.