A mantrip is a shuttle for transporting miners down into an underground mine at the start of their shift, and out again at the end.

But then again, a glance at the chronometer showed I had only a couple of minutes to wait before the "natural" start of his shift.

He nodded, still regarding me thoughtfully, probably comparing my face with the ones he'd studied, pinned to the precinct wall, at the start of his shift.

Says she usually meets up with this older woman before the start of their shift.

Many were made during the morning rush, near the start of the officers' shift.

Two hours 'til the start of his shift; too late to court sleep a third time.

The clock across the room was adamant: three minutes until the start of his shift on the bridge.

Individual border guards did not know until the start of their shift with whom they would be working that day.

You'd go down into the shaft on the high-speed drop at the start of your shift.

Drink a beverage with caffeine at the start of your shift.