tirl verb 4noun 2forms 3 verb4 •(dialect, UK) To quiver; to vibrate; to veer about. •(dialect, UK) To make a rattling or clattering sound by twirling or shaking. •To twist. •To strip; to unroof. noun2 •(dialect, UK) A vibration. •(dialect, UK) A substitute for a trundle wheel or lantern wheel in a mill. formstirled · tirling · tirls