CLEAVAGE n.
n 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. -- Cubuc…
COLLAR n.
nd. Collar beam (Arch.), a horizontal piece of timber connecting and tying together two opposite rafters; -- also, called simply collar. -- Collar of brawn, the quantity of brawn bound up in one parcel. [Eng.] Johnson. -- Collar day, a day of great ceremony at the English court, when persons, who are dignitaries of h…