verb, mowed, mowed or mown, mow⋅ing.| 1. | to cut down (grass, grain, etc.) with a scythe or a machine. |
| 2. | to cut grass, grain, etc., from: to mow the lawn. |
| 3. | to cut down grass, grain, etc. |
| 4. | mow down,
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mow down
Destroy in great numbers, especially in battle, as in The machine gun mowed them down as they advanced. [Late 1500s]
Overwhelm, as in He mowed down the opposition with his arguments. This usage, like the first, alludes to mowing, the cutting of grass with a scythe or other implement.