COASTER

One that coasts, as:

1. One who acts in an aimless manner.

2. A sled or toboggan.

3. One who rides a sled or toboggan.

4. A small mat or plate placed under a vessel to protect a tabletop or other surface beneath.

5. A small tray, often on wheels, for passing something, such as a wine decanter, around a table.

Nautical A vessel engaged in coastal trade: "dirty British coaster with a salt-caked smokestack" (John Masefield).

A roller coaster.

1. A small mat or plate placed under a vessel to protect a tabletop or other surface beneath.

2. A small tray, often on wheels, for passing something, such as a wine decanter, around a table.

A resident of a coastal region.