futtock shroud noun1 •Any of a set of ropes, wires or chains that brace the futtock plate from a band on the lower mast.[H]e laid hold of the first ratline with his right hand, then sprung to the second, with his left, and so on alternately, right and left, up to the last, close to the futtock shrouds. — 1808 formsfuttock shrouds