BA'SIN, n. basn.

1. A hollow vessel or dish, to hold water for washing, and for various other uses.

2. In hydraulics, any reservoir of water.

3. That which resembles a basin in containing water, as a pond, a dock for ships, a hollow place for liquids, or an inclosed part of water, forming a broad space within a strait or narrow entrance; a little bay.

4. Among glass grinders, a concave piece of metal by which convex glasses are formed.

5. Among hatters, a large shell or case, usually of iron, placed over a furnace, in which the hat is molded into due shape.

6. In anatomy, a round cavity between the anterior ventricles of the brain.

7. The scale of a balance, when hollow and round.

8. In Jewish antiquities, the laver of the tabernacle.