A ketch's a sailing craft with two masts: a main mast, and a shorter mizzen mast abaft (rearward) of the main mast, but forward of the rudder. Both masts are rigged mainly fore-and-aft. From one to three jibs may be carried forward of the main mast when going to windward. If a ketch isn't rigged for jibs it's called a cat ketch, sometimes called a periauger. On older, larger ketches the main mast may in addition carry one or more square rigged topsails. A ketch may also carry extra sails, see b… (
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