What is the meaning of Abater?

One who, or that which, abates.

to bend, lower

to bring the grapevine and its tendrils to the beams and props prepared for growing it

to overthrow, to throw down

to defeat

to bend, lean

to become dispirited

to collapse

to topple

to slaughter

to abate, weaken

to reduce

Source: wiktionary.org