The re-grouting of defective mortar joints in a masonry or brick wall.

The process of refilling old masonry joints with new mortar.

(1) Troweling mortar into a joint after masonry units are laid; (2) Final treatment of joints in cut stonework. Mortar or a putty like filler is forced into the joint after the stone is set; (3) The process of removing deteriorated mortar from an existing masonry joint and troweling new mortar or other filler into the joint.

a.k.a. pointing up The removal of deteriorated mortar between bricks and replacement with new mortar.

Tuckpointing is when masonry is pointed with a flush mortar joint that approximates the color of the masonry units and a mortar of contrasting color that is shaped into a thin strip.