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An animal that has no gills.
adj. also a·bran·chi·al (-kē-əl)
Having no gills.
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.
abranchiate(əˈbræŋkɪɪt; -ˌeɪt) or
(Zoology) zoology having no gills
[C19: a-1 + branchiate]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014