Waist, the part of the upper deck between the quarterdeck and forecastle.
Wake, the path that a ship leaves behind her in the water.
Wear, to; to come round on the other side of the wind without backing.
Let A B be the vessel, G the direction of the wind; A B is sailing in the direction B C, and wants to change her course to A D; if she tacks, she traverses the direction C H D; if she wears, she goes off from the wind in the direction C E D.
