from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The calcined ashes of any coarse seaweed used for the manufacture of soda and iodine.
- n. The seaweed itself; fucus; wrack.
from the GNU version of the Collaborative International Dictionary of English
- n. The calcined ashes of any coarse seaweed used for the manufacture of soda and iodine; also, the seaweed itself; fucus; wrack.
from The Century Dictionary and Cyclopedia
- n. In the original Freuch use of this word it applies to the seaweed itself before burning, but it is now commonly applied to the ash which results from the burning, utilized for the extraction from it of iodine and salts of potassium, as formerly of sodium carbonate. Also vareck.
- n. An impure sodium carbonate made in Brittany: it corresponds to the English kelp. Brande and Cox.
French varech; of Teutonic origin. See wrack and compare vraic. (Wiktionary)