R0108975 (rĕd′wâr′)n. Earthenware made from clay containing a large amount of ferrous oxide, giving it a red color.
redware
(ˈrɛdˌwɛə) n (Plants) another name for kelp1
red•ware
(ˈrɛdˌwɛər)
n. a large brown seaweed, Laminaria digitata, common off N Atlantic coasts. [1700–10; red + dial. ware (Middle English; Old English wār seaweed; see wire)]