[mod-l] noun, adjective.

1. a standard or example for imitation or comparison.

2. a representation, generally in miniature, to show the construction or appearance of something.

3. an image in clay, wax, or the like, to be reproduced in more durable material.

4. a person or thing that serves as a subject for an artist, sculptor, writer, etc.

5. a person whose profession is posing for artists or photographers.