2 definitions
for Glasswort
From The Collaborative International Dictionary of English v.0.48 :
Glasswort \Glass"wort`\, n. (Bot.)
A seashore plant of the Spinach family ({Salicornia
herbacea), with succulent jointed stems; also, a prickly
plant of the same family ({Salsola Kali), both formerly
burned for the sake of the ashes, which yield soda for making
glass and soap.
[1913 Webster]
From WordNet (r) 2.0 :
glasswort
n 1: bushy plant of Old World salt marshes and sea beaches having
prickly leaves; burned to produce a crude soda ash [syn:
saltwort, barilla, kali, kelpwort, Salsola
kali, Salsola soda]
2: fleshy maritime plant having fleshy stems with rudimentary
scalelike leaves and small spikes of minute flowers;
formerly used in making glass [syn: samphire, Salicornia
europaea]