slat

noun

A narrow strip of metal or wood, as in a Venetian blind.

noun

A movable auxiliary airfoil running along the leading edge of the wing of an airplane.

noun

The ribs.

transitive verb

To provide or make with slats.

To throw or cast down violently or carelessly; jerk.

To strike; knock; beat; bang.

To flap violently, as the sails when blown adrift in a violent wind, or when in a calm the motion of the ship strikes them against the masts and rigging.

Same as slate.

To split; crack.

noun

A sudden flap or slap; a sharp blow or stroke.