18-wheeler

(redirected from an eighteen wheeler)

18-wheeler

A tractor-trailer that has 18 wheels. Be careful changing lanes, there's an 18-wheeler coming up behind you.

eighteen-wheeler

n. a large trailer truck. (There are a total of eighteen wheels on the cab and trailer.) An eighteen-wheeler almost ran me off the road.
References in periodicals archive ?
One can look at it like a driver's test--if students are going to take the test in a small sedan, we would teach the student to drive a sedan, and not put them in an eighteen wheeler or a motorcycle to test their knowledge of driving a sedan.