1. A projection on a machine part, such as a pawl for controlling the motion of a ratchet wheel in a watch escapement, that engages the teeth of a ratchet wheel to convert reciprocating motion to rotary motion or vice versa.

2. A wooden, shovellike potter's tool used for mixing and shaping clay.

3. A metal tool used for printing on book bindings.

4. A fine brush used for taking up and applying gold leaf.

5. A portable platform used for storing or moving cargo or freight.

6. A painter's palette.