A slat is a thin, long piece of wood or other material that is used to form part of a frame or support. It can also refer to one of the horizontal bars in a venetian blind or any similar device with adjustable openings.
The stair appears to be made of slats of wood bolted together. (treehugger.com)
A chrome vertical slat grille and chrome - topped door handles are exclusive to the model, as are aluminium - look trim elements and roof rails. (motoring.com.au)
Tallness, as it turns out, is a trait that Audi wants to draw attention to, going so far as to set the Allroad apart as the only Audi model to lead with vertical slats on its hexagonal grille, a feature that emphasizes height. (cnet.com)