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arum

British  
/ ˈɛərəm /

noun

  1. any plant of the aroid genus Arum, of Europe and the Mediterranean region, having arrow-shaped leaves and a typically white spathe See also cuckoopint

  2. another name for calla

"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

Etymology

Origin of arum

C16: from Latin, a variant of aros wake-robin, from Greek aron

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It’s also largely responsible for the smell of the delicately-named dead horse arum, a relative of the so-called corpse flower, or titan arum.

From Salon • May 31, 2025

The titan arum plant, housed in the Royal Botanic Gardens of Sydney, blooms only once every few years for just 24 hours.

From BBC • Jan. 22, 2025

Visitors to the San Francisco Conservatory of Flowers are about to witness the rare blooming of a titan arum, or corpse flower.

From DOGO News • Jun. 27, 2023

Moreover, when Elt covered the arum plant’s natural flowers with a fine mesh to exclude the plant bugs, no seeds were produced.

From Science Magazine • Oct. 13, 2022

It was hot in the church, and the white edges of the arum lilies crisped and curled.

From "The God of Small Things" by Arundhati Roy