to cut down (grass, grain, etc.) with a scythe or a machine.

to cut grass, grain, etc., from

to mow the lawn.

to cut down grass, grain, etc. ?

mow down,

to destroy or kill indiscriminately or in great numbers, as troops in battle.

to defeat, overwhelm, or overcome

The team mowed down its first four opponents.

to knock down.

verb

clip , crop , scythe , shear , sickle , trim , cut , heap , lay , level , mass , pile , reap