the dried bulb of white varieties of a plant (Urginea maritima) of the lily family, formerly used in medicine
2.
this plant
sea onion in American English
noun
1. Also called: sea squill
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
Word origin
[1350–1400; ME]This word is first recorded in the period 1350–1400. Other words that entered Englishat around the same time include: absolute, fix, kick, screen, tune