Simple past tense and past participle of clew.(verb)
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Use "clewed" in a sentence
""let go the anchor," which Main Brace did promptly, with an "Ay, ay, sir!" and then he "clewed" up the sails, and spread a white and red striped and red-fringed awning over the place where they were seated, and said he was now going on with the story."
"The topsails were soon clewed up and made fast, then the flying jib run down and furled."
"He ordered more of his men aboard, and had all the canvas clewed up and furled snugly away."