<p><strong>Verb (used without object)</strong></p><ul><li>to play on a stringed instrument, as a guitar, by plucking the strings, especially in an idle, monotonous, or unskillful manner; strum.</li><li>to sound when thrummed on, as a guitar or similar stringed instrument.</li><li>to drum or tap idly with the fingers.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to play (a stringed instrument, or a melody on it) by plucking the strings, especially in an idle, monotonous, or unskillful manner; strum.</li><li>to drum or tap idly on.</li><li>to recite or tell in a monotonous way.</li></ul><p><strong>Noun</strong></p><ul><li>an act or sound of thrumming; dull, monotonous sound.</li></ul>