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}, {glasswort}, {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: {glasswort}, {samphire}, {Salicornia europaea}]
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]