MAT n. 2 definitions
A fabric of sedge, rushes, flags, husks, straw, hemp, or similar material, used for wiping and cleaning shoes at the door, for covering the floor of a hall or room, and for other purposes.
MO a.
eet of paper; as, sixteenmo or 16mo; eighteenmo or 18mo. It is taken from the Latin forms similarly used; as, duodecimo, sextodecimo, etc. A small circle, placed after the number and near its top, is often used for -mo; as, 16°, 18°, etc.