from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Earthenware made from clay containing a large amount of ferrous oxide, giving it a red color.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A type of terracotta given a red colour by its concentration of ferrous oxide.
from The Century Dictionary and Cyclopedia
- n. A seaweed, Laminaria digitata, the common tangle.
red + -ware (Wiktionary)