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
arum lily, another name for calla (sense 1)
Historical Examples

This arum, for example, grows first from a small hard seed with a single lobe or seed-leaf.
The Evolutionist at Large Grant Allen

And now the arum begins its great preparations for the act of flowering.
The Evolutionist at Large Grant Allen

The interiors of the houses are decorated profusely with coco-palm leaves, goian (arum) plants, and flags.
In the Andamans and Nicobars C. Boden Kloss

But we must continue our researches, and they bring us now to the arum.
Everyday Objects W. H. Davenport Adams

This occurs in Geranium pratense, Thymus serpyllum, arum maculatum, and many others.
Darwinism (1889) Alfred Russel Wallace

But as soon as the pollen is discharged the hairs wither away, and then the flies are free to visit a second arum.
The Evolutionist at Large Grant Allen

Among the tubers produced are sweet potatoes, white potatoes, yams, the arum and the yucca.
Cuba, Old and New Albert Gardner Robinson

But the principal crop is the taro-plant (arum esculentum), from which the native food of poi is made.
A Boy’s Voyage Round the World The Son of Samuel Smiles

Strange as is the action of the arum, the method whereby the mentzelia takes its prey is even more wonderful.
Scientific American, Vol. XXXVII.–No. 2. [New Series.], July 14, 1877 Various

All around was a tableland of lush grass with marigolds and arum lilies instead of daisies and buttercups.
Prester John John Buchan


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