sea onion

sea onion

n.1. The squill Urginea maritima, whose bulb yields a powder used as a rat poison and formerly used medicinally.2. Any of various similar bulbous plants.

sea onion

n (Plants) another name for sea squill

sea′ on`ion

n. 1. a Mediterranean plant, Urginea maritima, of the lily family, yielding medicinal squill. 2. a squill, Scilla verna, of the Isle of Wight, having narrow leaves and clusters of violet flowers.

Thesaurus

Noun	1.	sea onion - having dense spikes of small white flowers and yielding a bulb with medicinal propertiessea squill, Urginea maritima, squillliliaceous plant - plant growing from a bulb or corm or rhizome or tubergenus Urginea, Urginea - Mediterranean liliaceous plants; sometimes placed in family Hyacinthaceaesquill - bulb of the sea squill, which is sliced, dried, and used as an expectorant
	2.	sea onion - European scilla with small blue or purple flowersScilla verna, spring squillscilla, squill - an Old World plant of the genus Scilla having narrow basal leaves and pink or blue or white racemose flowers