Intercalated with slate; said of a seam of coal(adjective)
Simple past tense and past participle of rib.(verb)
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Use "ribbed" in a sentence
"Corduroy Looks Photos: Corduroy Gets Chic Ms. Pieloch is referring to the ribbed textile's biggest fans, and in particular, the roughly 5,000 members of the Corduroy Appreciation Club, which boasts chapters nationwide and as far away as South Africa and London."
"Its clothes for Penney will have texture such as ribbed fabrics or patterns."
"We had often 'ribbed' each other as Bell expressed it."