Scholars debate how shifts in technology and economics will reshape the world order over the coming decades.

During the Crusades, the military order protected pilgrims while observing strict religious vows.

During the meeting, several members raised points of order to challenge the chairman's rulings.

After the flood, the county issued a boil order for all residents until the water supply passed safety tests.

The kitchen manager reviewed the boil orders before the morning rush.

In topology, an order tree is a set that is the union of segments, each of which is totally ordered, arranged so that the segments fit together in a particular way.

The botanist compared several order trees to understand the evolutionary relationships among the species.

Every month she mail-orders rare vinyl records from independent sellers.

She mail-ordered the antique clock after finding it in a catalog.

My grandmother is mail-ordering seeds for the garden this spring.