<p><strong>Adjective:</strong></p><ul><li>Pertaining to or occurring in or as if in a tube of fine bore.</li><li>Resembling a strand of hair; hairlike.</li><li>Pertaining to capillarity.</li><li>Of or relating to the apparent attraction or repulsion between a liquid and a solid, observed in capillarity.</li><li>Pertaining to a capillary or capillaries.</li></ul><p><strong>Noun:</strong></p><ul><li>One of the minute blood vessels between the terminations of the arteries and the beginnings of the veins.</li><li>Also called capillary tube: a tube with a small bore.</li></ul>