| der·ring-do (děr'ĭng-dōō') n. Daring or reckless action. [Misinterpretation of earlier derrynge do, misprint of Late Middle English dorryng do, daring to do, from Middle English durring don, daring to do : durring, present participle of durren, to dare (from Old English durran; see dare) + don, to do; see do1.] |