Yaw

Part of speech: noun (n.)

A movement of a vessel by which she temporarily alters her course; a deviation from a straight course in steering.

Part of speech: verb (v.)

To rise in blisters, breaking in white froth, as cane juice in the clarifiers in sugar works.

Part of speech: verb (v.)

To steer wild, or out of the line of her course; to deviate from her course, as when struck by a heavy sea; -- said of a ship. Just as he would lay the ship's course, all yawing being out of the question. Lowell.