MATTING
Mat"ting, n. Etym: [See Matte.]

Defn: A dull, lusterless surface in certain of the arts, as gilding, metal work, glassmaking, etc.

MATTOCK
Mat"tock, n. Etym: [AS. mattuc; cf. W. matog.]

Defn: An implement for digging and grubbing. The head has two long
steel blades, one like an adz and the other like a narrow ax or the
point of a pickax.
'T is you must dig with mattock and with spade. Shak.

MATTOID
Mat"toid, n. [It. matto mad (cf. L. mattus, matus, drunk) + -oid.]

Defn: A person of congenitally abnormal mind bordering on insanity or degeneracy.

MATTOIR
Mat*toir", n. [F. matoir.] (Engraving)

Defn: A kind of coarse punch with a rasplike face, used for making a rough surface on etching ground, or on the naked copper, the effect after biting being very similar to stippled lines.

MATTOWACCA
Mat`to*wac"ca, n. Etym: [Indian name.] (Zoöl.)

Defn: An American clupeoid fish (Clupea mediocris), similar to the shad in habits and appearance, but smaller and less esteemed for food; — called also hickory shad, tailor shad, fall herring, and shad herring.