A furrow is a groove or a depression. Originally, furrows were created in soil for water to flow. Now, its most common meaning is of a deep line or wrinkle on the face, as in a "furrowed brow."

Furrow is related to the old English word farrow, meaning "to root like a swine," which makes sense, seeing as both acts create trenches in the earth. Sometimes a furrow simply means the impression left by a cart wheel or tire track in the mud. In a non-agricultural sense, a furrow is also simply a slight groove or depression or series of indentations in the surface of any object.

Definitions of furrow

n a long shallow trench in the ground (especially one made by a plow)

cut, gash
a trench resembling a furrow that was made by erosion or excavation
Type of:
any long ditch cut in the ground

n a slight depression in the smoothness of a surface

crease, crinkle, line, seam, wrinkle
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crow's feet, crow's foot, laugh line
a wrinkle in the skin at the outer corner of your eyes
the lines that form patterns on the skin (especially on the fingertips and the palms of the hands and the soles of the feet)
frown line
a facial wrinkle associated with frowning
life line, lifeline, line of life
a crease on the palm; its length is said by palmists to indicate how long you will live
heart line, line of heart, love line, mensal line
a crease on the palm; palmists say it indicates your emotional nature
line of Saturn, line of destiny, line of fate
a crease on the palm; palmists say it indicates how successful you will be
Type of:
depression, impression, imprint
a concavity in a surface produced by pressing

v hollow out in the form of a furrow or groove

furrow soil”
groove, rut
Type of:
cut into, delve, dig, turn over
turn up, loosen, or remove earth

v make wrinkled or creased

furrow one's brow”
crease, wrinkle
Type of:
fold, fold up, turn up
bend or lay so that one part covers the other

v cut a furrow into a columns

chamfer, chase
Type of:
separate with or as if with an instrument

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