a tool with a flat blade attached at right angles to a long handle
source: WordNet 3.0
A tool chiefly for digging up weeds, and arranging the earth about plants in fields and gardens. It is made of a flat blade of iron or steel having an eye or tang by which it is attached to a wooden handle at an acute angle.
source: Webster 1913
verb
dig with a hoe
He is hoeing the flower beds.
source: WordNet 3.0
To cut, dig, scrape, turn, arrange, or clean, with a hoe; as, to hoe the earth in a garden; also, to clear from weeds, or to loosen or arrange the earth about, with a hoe; as, to hoe corn.
