CLAP v. 2 definitions
To thrust, drive, put, or close, in a hasty or abrupt manner; -- often followed by to, into, on, or upon. He had just time to get in and clap to the door. Locke Clap an extinguaisher upon your irony. Lamb.
CLEAVAGE n.
Division into laminæ, like slate, with the lamination not necessarily parallel to the plane of deposition; -- usually produced by pressure. Basal cleavage, cleavage parallel to the base of a crystal, or to the plane of the lateral axes. -- Cell cleavage (Biol.), multiplication of cells by fission. See Segmentation. -…