splat 1
/splat/ , n.
1. Also, splad . a broad, flat piece of wood, either pierced or solid, forming the center upright part of a chair back or the like.
2. a batten for covering joints between sheets of wallboard; panel strip.
[ 1825-35; orig. uncert.; cf. OE splatan to split ]
splat 2
/splat/ , n.
a sound made by splattering or slapping.
[ 1895-1900; back formation from SPLATTER ]