What is a mat made of canvas and tufts of yarn. Thrum cap, a knitted cap. Halliwell. -- Thrum hat, a hat made of coarse woolen cloth. Minsheu called?

thrum — (Naut.) A mat made of canvas and tufts of yarn. Thrum cap, a knitted cap. Halliwell. -- Thrum hat, a hat made of coarse woolen cloth. Minsheu. (Webster's 1913.)

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