Dictionary.net

• perennial of coastal sands and shingles of northern Europe and Baltic and Black Seas having racemes of small white flowers and large fleshy blue-green leaves often used as potherbs

2006 - WordNet 3.0
By Princeton University

• perennial of coastal sands and shingles of northern Europe and Baltic and Black Seas having racemes of small white flowers and large fleshy blue-green leaves often used as potherbs

2011 - English Dictionary Database
By DataStellar Co., Ltd