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1. Having or consisting of four similar parts.
2. Having flower parts, such as sepals, petals, and stamens, in sets of four.

te·tram′er·y 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.


1. (Biology) (esp of animals or plants) having or consisting of four parts
2. (Botany) (of certain flowers) having parts arranged in whorls of four members
[C19: from New Latin tetramerus, from Greek tetramerēs]
teˈtramerism n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(tɛˈtræm ər əs)

1. consisting of or divided into four parts.
2. (of flowers) having the parts of a whorl arranged in fours or multiples of four.
[1820–30; < New Latin tetramerus < Greek tetramerḗs. See tetra-, -merous]
te•tram′er•ism, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.tetramerous - having or consisting of four similar parts; tetramerous flowers
biological science, biology - the science that studies living organisms
many-sided, multilateral - having many parts or sides
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Muscat: The Red Bull Tetramerous 2018, based on the multiplayer game League of Legends, with a 4x4 format, will be hosted in Oman on July 19, Thursday (today).
the tetramerous organization of Canrightia (which it should be noted is somewhat labile) is presumably derived.
1 Leaves vaginate T aphylla 1 Leaves sessile with a narrow base, sometimes slightly auriculate at their lower half but never vaginate 2 Flowers tetramerous T parviflora 2 Flowers pentamerous 3 Staminal filaments arising from the apex of the nectariferous disc lobes T gallica 3 Staminal filaments arising between the nectariferous disc lobes 4 Inflorescences with both solitary and fasciculate racemes (groups from 2 to 4) T hohenackeri 4 Inflorescences with racemes always solitary 5 Racemes 5-7 mm wide.
Inflorescence are polygamous, tetramerous consisting of male and hermaphrodite flowers.