1. the raised deck at the stern of a ship, traditionally reserved for officers
Usage: nautical; plural form

Examples

• The captain stood on one of the quarterdecks, surveying the horizon.
• Officers gathered on the quarterdecks of both naval vessels.
• The quarterdecks were polished to a brilliant shine for the admiral’s inspection.
• Sailors were not permitted on the quarterdecks without permission.
• The two ships’ quarterdecks were visible from the harbor.
• Navigation equipment was stored beneath the quarterdecks.