1. plural of driftage; the act or process of drifting, or material that has drifted
Usage: chiefly nautical or technical; often refers to debris or sediment carried by water currents
2. the amount of deviation from a set course or position due to drift
Usage: nautical or aviation context

Examples

• The river's driftages accumulated along the banks after the flood.
• Sailors had to account for driftages caused by strong ocean currents.
• The study examined various driftages of sediment in the estuary.
• Wind driftages affected the aircraft's navigation during the flight.
• Coastal cleanup crews removed driftages of plastic and wood from the shore.