ETYM Old Fren. abatement, French abattement.
The act of abating.
Law obsolete, unlawful entry by stranger onto land between death of possessor and entry of heir; Heraldry, mark on arms to indicate bastardy.
ETYM Old Eng. decrees, Old Fren. decreis, from decreistre. Related to Decrease.
1. A change downward; SYN. lessening, drop-off.
2. A process of becoming smaller; SYN. decrement.
3. The act of decreasing or reducing something; SYN. diminution, reduction, step-down.
4. The amount by which something decreases; SYN. decrement.