one of a series of thin flat pieces of wood, metal or plastic, used in furniture, fences, etc. （家具、栅欄等上的）板條，窄條，橫檔 
a gate made of wooden slats 由木板條制成的大門 the slats of the venetian blinds 威尼斯百葉窗的板條
- (specialist)
a part of the wing of an aircraft, on the front of the wing, that can be moved up or down to control movement in either direction 前緣縫翼（機翼前緣的一部分，可使其上下移動來控制飛機的升降） 
Word Originlate Middle English (in the sense ‘roofing slate’): shortening of Old French esclat ‘splinter’, from esclater ‘to split’. The current sense dates from the mid 18th cent.