1. an agricultural implement with spikelike teeth or upright disks, drawn chiefly over plowed land to level it, break up clods, root up weeds, etc. verb (used with object)
2. to draw a harrow over (land).
3. to disturb keenly or painfully; distress the mind, feelings, etc., of. verb (used without object)
4. to become broken up by harrowing, as soil.
"branches can be harrow."
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