[noun] [C] - a thin narrow piece of wood, plastic or metal used to make floors, furniture, window coverings, etc.Wooden slats cut out the light so that only a soft gloom entered the offices.In today's pig factories, the floors are either metal slats or concrete.The base of the bed was made of slats.
SLAT
Meaning of SLAT in English
Cambridge English vocab. Кембриджский английский словарь. 2012