testcar

noun
UK /ˈtestkɑː/
US /ˈtestkɑːr/

A testcar is a car used to try out new parts or ideas.

The engineers drove the testcar around the track to check the new brakes.


OTHER MEANINGS

2. A model car used in a test or experiment.

The children raced a small testcar down the ramp.

3. A car used for driving tests or exams.

The driving school keeps a testcar with dual controls.

4. A railway car used for testing tracks or signals.

A testcar rolled slowly along the new line to check the rails.