trialround
nounUK /ˈtraɪəl raʊnd/
US /ˈtraɪəl raʊnd/
A trial round is a practice turn you take before the real game starts.
The kids did a trial round to warm up before the big race.
OTHER MEANINGS
2. A first round of a competition used to decide who moves on.
She won her trial round and advanced to the finals.
3. A test version of a product or plan tried out before the final one.
The team ran a trial round of the new app with a few users.
4. A round of a medical test or experiment.
The trial round of the vaccine showed promising results.