<p><strong>Noun</strong></p><ul><li>A narrow groove made in the ground, especially by a plow.</li><li>A narrow groovelike or trenchlike depression in any surface: the furrows of a wrinkled face.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) To make a furrow or furrows in.</li><li>To make wrinkles in (the face): to furrow one's brow.</li><li>(used without object) To become furrowed.</li></ul>