- a rehearsal or practice exercise.
- Military. practice in firing arms without using live ammunition.
Origin of dry run
Examples from the Web for dry run
Historical Examples of dry run
Would practice without actually firing the weapon be helpful—that is, a dry-run practice?
Could you give us an estimate of how much time they used in this dry-run practice, each?
- military practice in weapon firing, a drill, or a manoeuvre without using live ammunition
- informal a trial or practice, esp in simulated conditions; rehearsal
A trial exercise or rehearsal, as in Regard this as a dry run for tonight's ceremony. This term, using dry in the sense of “unproductive,” was at first employed mainly in the military for simulated bombings in which no bombs were dropped. [c. 1940]