society > occupation and work > industry > building or constructing > disposition of stones or bricks > lay stones or bricks [verb (transitive)] > join (3)
transitive. Masonry. To shape (a joint) so as to direct rainwater away from the mortar (see saddle joint, n. 3a). Obsolete.
transitive. To plaster with mortar; to fix or join with mortar or a mortar-like substance.