squill

(redirected from sea squills)
Also found in: Dictionary, Thesaurus, Encyclopedia.

squill

 [skwil]
1. any of various plants of the genus Urginea, especially U. maritima or U. indica.
2. the fleshy inner scales of the bulb of U. maritima or U. indica; a distinction is made between those with white bulbs (white squill) and those with red bulbs (red squill).
red squill
1. a variety of Urginea maritima that has red bulbs.
2. the fleshy inner scales of the bulb of this plant, a source of the cardiac glycoside scilliroside; it can cause convulsions or cardiac arrest and is used as a rodenticide.
white squill
1. a variety of Urginea maritima that has white bulbs.
2. the fleshy inner scales of the bulb of this plant; it contains several cardioactive glycosides.

squill

(skwil),
The cut and dried fleshy inner scales of the bulb of the white variety of Urginea maritima (Mediterranean squill), or of U. indica (Indian squill) (family Liliaceae); the central portion of the bulb is excluded during its processing; squill contains cardiac glycosides (scillaren-A and scillaren-B) and scillaricide, a rodenticide.
Synonym(s): scilla
[L. squilla or scilla]

squill

(skwĭl)
n.
a. Any of several plants of the genus Urginea of Africa and Eurasia, especially the Mediterranean species U. maritima, having a large bulb and lanceolate leaves.
b. A powder prepared from the dried inner scales of the bulbs of U. maritima, used as rat poison and formerly as a cardiac stimulant, expectorant, and diuretic.

squill

Herbal medicine
A perennial herb that contains cardioactive glycosides; it is diuretic and expectorant, but is highly toxic.
 
Toxicity
Arrhythmias, convulsions, diarrhoea, heart block, nausea, vomiting and possibly death.