Yaw \Yaw\, n. (Naut.) A movement of a vessel by which she temporarily alters her course; a deviation from a straight course in steering.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Yaw \Yaw\, v. i. [imp. & p. p. Yawed; p. pr. & vb. n. Yawing.]

[Cf. Yew, v. i.]

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

Source: Webster's Revised Unabridged Dictionary (1913)
 

Yaw \Yaw\, v. i. & t. [Cf. Prov. G. gagen to rock, gageln to totter, shake, Norw. gaga to bend backward, Icel. gagr bent back, gaga to throw the neck back.]

(Naut.) 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.

Source: Webster's Revised Unabridged Dictionary (1913)