glasswort noun 9forms 1 noun9 •Any plant of the salt-tolerant genus Salicornia (syn. Sarcocornia), once burned to produce the ash used to make soda glass. •Other salt-tolerant plants, especially those used to produce such ash. •Species of the Australian genus Tecticornia •Arthrocnemum subterminale (Parish's glasswort) •Eriogonum salicornioides (glasswort buckwheat) •Kali turgidum •Other salt-tolerant plants, called samphire. •rock samphire (Crithmum maritimum) •golden samphire (Inula crithmoides, now Limbarda crithmoides) formsglassworts