[ per-ee-anth ]
/ ˈpɛr iˌænθ /

noun Botany.

the envelope of a flower, whether calyx or corolla or both.

Origin of perianth

1700–10; earlier perianthium < New Latin. See peri-, anth-, -ium

Related forms

per·i·an·thi·al, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for perianth

British Dictionary definitions for perianth


/ (ˈpɛrɪˌænθ) /


the outer part of a flower, consisting of the calyx and corolla

Word Origin for perianth

C18: from French périanthe, from New Latin, from peri- + Greek anthos flower
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

Science definitions for perianth


[ pĕrē-ănth′ ]

The sepals and petals of a flower considered together.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.