trivalve
Also found in: Medical.
tri·valve
(trī′vălv′)adj.
Having three valves.
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.
trivalve
(ˈtraɪˌvælv)n
(Animals) a mollusc that has three valves
adj
(esp of a shell or mollusc) with three valves
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014