Yaw, to move on unsteadily (as a ship), to steer out of the line of the course: “to divide him inventorially would dizzy the arithmetic of memory, and yet but y. neither, in respect of his quick sail,” Hml. V, 2, 120 (lection of Q2; the other Qq raw, Ff om. As for but neither == nevertheless, see Neither. It must be considered that the whole speech of Hamlet is intentionally affected, and calculated to puzzle his interlocutor).