noun Botany.

the inner envelope of floral leaves of a flower, usually of delicate texture and of some color other than green; the petals considered collectively.

Origin of corolla

1665–75; < Latin: little garland, equivalent to corōn(a) garland, corona + -la diminutive suffix; see -ule Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for corolla

Contemporary Examples of corolla

  • When Barack Obama sat down with the auto task force, the first thing he reportedly asked was "Why can't they make a Corolla?"

    The Daily Beast logo
    Can Walmart Change?

    Megan McArdle

    November 29, 2012

Historical Examples of corolla

British Dictionary definitions for corolla



the petals of a flower collectively, forming an inner floral envelopeCompare calyx

Word Origin for corolla

C17 dim. of L corōna crown
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 corolla

1670s, "crown," from Latin corolla, diminutive of corona "crown, garland" (see crown (n.)). Botanical use is from 1753.

Online Etymology Dictionary, © 2010 Douglas Harper

corolla in Science


[kə-rŏlə, kə-rōlə]

The petals of a flower considered as a group or unit. See more at flower.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.