What is the meaning of Slat?

A thin, narrow strip or bar of wood (lath), metal, or plastic.

A control surface that extends forwards and downwards from the leading edge of a wing, leaving a gap between it and the leading edge, in order to modify the airflow around the wing so as to allow flight at a higher angle of attack without stalling, lowering the aircraft's stall speed.

A ski.

A thin piece of stone; a slate.

To construct or provide with slats.

To slap or strike; to beat, pummel; to hurl or throw down violently.

To split; to crack.

To set on; to incite.

rod, stick

cane, switch

wand

dick, cock (penis)

yard (unit of measure)

first/third-person singular preterite of slītan

stick, rod, twig, switch, wand

yard (unit of length)

penis

Source: wiktionary.org