a long thin, narrow strip of wood, metal, etc., used as a support for a bed, as one of the horizontal laths of a Venetian blind, etc.

Aeronautics . a control surface along the leading edge of a wing that can be extended forward to create a gap (slot) to improve airflow.

slats, Slang .

the ribs.

the buttocks.

( initial capital letter ) a nickname for a tall, slender man.

to furnish or make with slats.