• synonyms


[ key-liks, kal-iks ]
/ ˈkeɪ lɪks, ˈkæl ɪks /

noun, plural ca·lyx·es, cal·y·ces [kal-uh-seez, key-luh-] /ˈkæl əˌsiz, ˈkeɪ lə-/.

Botany. the outermost group of floral parts; the sepals.
Anatomy, Zoology. a cuplike part.


husk, leaf, petal, sepal

Nearby words

calymmatobacterium, calypso, calypsonian, calyptra, calyptrogen, calyx, calzaghe, calzone, calèche, caló, cam

Origin of calyx

1665–75; < Latin < Greek kályx husk, covering, akin to kalýptein to veil, cover
Related formscal·y·cate [kal-i-keyt] /ˈkæl ɪˌkeɪt/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for calyxes

British Dictionary definitions for calyxes


/ (ˈkeɪlɪks, ˈkælɪks) /

noun plural calyxes or calyces (ˈkælɪˌsiːz, ˈkeɪlɪ-)

the sepals of a flower collectively, forming the outer floral envelope that protects the developing flower budCompare corolla
any cup-shaped cavity or structure, esp any of the divisions of the human kidney (renal calyx) that form the renal pelvis
Derived Formscalycate (ˈkælɪˌkeɪt), adjective

Word Origin for calyx

C17: from Latin, from Greek kalux shell, from kaluptein to cover, hide
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for calyxes



1680s, from Latin calyx, from Greek kalyx "seed pod, husk, outer covering" (of a fruit, flower bud, etc.), from root of kalyptein "to cover, conceal" (see cell). The proper plural is calyces. Some sources connect the word rather with Greek kylix "drinking cup."

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for calyxes


[ kālĭks, kălĭks ]


Variant ofcalix
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for calyxes


[ kālĭks, kălĭks ]

The sepals of a flower considered as a group. The calyx is the outermost whorl of a flower. See more at sepal.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.