Found 2 items, similar to sea onion.
English → English (WordNet) Definition: sea onion sea onion n 1: having dense spikes of small white flowers and yielding a bulb with medicinal properties [syn: sea squill, squill, Urginea maritima] 2: European scilla with small blue or purple flowers [syn: spring squill , Scilla verna]
English → English (gcide) Definition: sea onion Squill \Squill\ (skw[i^]l), n. [F. squille (also scille a squill, in sense 1), L. squilla, scilla, Gr. ?.] 1. (Bot.) (a) A European bulbous liliaceous plant (Urginea maritima , formerly Scilla maritima), of acrid, expectorant, diuretic, and emetic properties, used in medicine. Called also sea onion. (b) Any bulbous plant of the genus Scilla; as, the bluebell squill (Scilla mutans). [1913 Webster] 2. (Zo["o]l.) (a) A squilla. (b) A mantis. [1913 Webster]