(cinematography, computer graphics) A technique that allows the insertion of computer graphics into live-action footage with correct position, scale, orientation, and motion relative to the photographed objects in the shot.

A policy in which a shop / store sells every item at the same price as at its competitor, or even less.

To carry out such a policy

(archaic) A dining companion. / (archaic) A sponger or parasite.

Essential components of a device, reaction, etc. / A radioactive material

(Southern US, Appalachia, informal) Tomato.

(art) The Virgin Mary represented as the sorrowing mother.

plural of mater dolorosa

(rugby) A referee who uses video recordings to assist in deciding if points have been scored

(US, now historical) A small container for matches.