<p><strong>Noun</strong></p><ul><li>a unit of length, 1/12 (0.0833) foot, equivalent to 2.54 centimeters.</li><li>a very small amount of anything; narrow margin: to win by an inch; to avert disaster by an inch.</li></ul><p><strong>Verb</strong></p><ul><li>to move by inches or small degrees: We inched our way along the road.</li></ul>