furrow UK /ˈfʌɹəʊ/US /ˈfʌɹoʊ/verb 4noun 3forms 4phrases 2 verb4 •To cut one or more grooves in (the ground, etc.).Cart wheels can furrow roads. •To wrinkle. •To pull one's brows or eyebrows together due to concentration, worry, etc.As she pored over the company's bewildering tax documents, she furrowed her brows, wrinkled her nose, and began to frown her befuddlement. •to become furrowed noun3 •Any trench, channel, or groove; often found on wood or metal. •A trench cut in the soil, as when plowed in order to plant a crop.Don't walk across that deep furrow in the field. •A deep wrinkle in the skin of the face, especially on the forehead.When she was tired, a deep furrow appeared on her forehead. formsfurrowed · furrowing · furrows · furrowest Phrases with furrow draw a straight furrowTo live correctly or ethically, without deviating from the right line of duty. plough a lonely furrowTo carry out an action in isolation, or in an original way, without any help or support from others.