1. A slat of wood, as one in the middle of a chair back.
2. A smacking or splashing noise.
3. with a smacking or splashing noise: landed splat on the floor.

1. the sharp, atonal sound of a liquid or soft solid hitting a solid surface.
2. the irregular shape of a viscous liquid or soft solid which has hit a solid surface.
3. the cmd key on an apple macintosh.
4. various characters appearing in computer character sets, particularly # and *.
5. the narrow wooden centre piece of a chair back.
6. to hit a flat surface and deform into an irregular shape.

1. to split; splay; extend; spread out.
2. A thin, flat piece of wood; in furniture, a flat piece of wood worked into a back or other part of a frame.

1. flatten on impact
2. a single splash
3. split open and flatten for cooking
4. give off the sound of a bullet flattening on impact
5. a slat of wood in the middle of the back of a straight chair