To strike with the open hand or with something flat: as, to slap one on the back; to slap a child on the hand.
To strike with; bring upon or against something with a blow.
noun.
A blow given with the open hand, or with something flat.
With sudden and violent force; plump; suddenly.
An obsolete variant of slop.
First-rate; of the best; “slap-up.”
To break into gaps; break out (an opening), as in a solid wall.
noun.
A narrow pass between two hills.
noun.
A breach in a wall, hedge, or fence; a gap.
noun.
A gap in the edge of a knife, etc.