Noun

1. The act of abating, or the state of being abated; a lessening, diminution, or reduction; removal or putting an end to; as, the abatement of a nuisance is the suppression thereof.
2. The amount abated; that which is taken away by way of reduction; deduction; decrease; a rebate or discount allowed.
3. A mark of dishonor on an escutcheon; any figure added to the coat of arms tending to lower the dignity or station of the bearer.
4. The entry of a stranger, without right, into a freehold after the death of the last possessor, before the heir or devisee.

Shorthand

• Gregg (Version: Centennial,Series 90, DJS,Simplified,Anniversary,Pre-Anniversary): a - b - a - t - m