\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.

\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.

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