Yaw

1. n. A movement of a vessel by which she temporarily alters her course; a deviation from a straight course in steering.
2. v. i. To rise in blisters, breaking in white froth, as cane juice in the clarifiers in sugar works.
3. v. i. & t. 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.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.