Definition of "glasswort"

Any plant of the salt-tolerant genus Salicornia (syn. Sarcocornia), once burned to produce the ash used to make soda glass.  examples

Other salt-tolerant plants, especially those used to produce such ash.

1. Species of the Australian genus Tecticornia  examples

2. Arthrocnemum subterminale (Parish's glasswort)  examples

3. Eriogonum salicornioides (glasswort buckwheat)  examples

4. Kali turgidum  examples

Other salt-tolerant plants, called samphire.

1. rock samphire (Crithmum maritimum)  examples

2. golden samphire (Inula crithmoides, now Limbarda crithmoides)  examples