What's the difference between cathead and yawl?

Cathead

Definition:

• (n.) A projecting piece of timber or iron near the bow of vessel, to which the anchor is hoisted and secured.

Example Sentences:

Yawl

Definition:

• (n.) A small ship's boat, usually rowed by four or six oars.
• (v. i.) To cry out like a dog or cat; to howl; to yell.

Example Sentences: