1. plural of drainage; systems or processes by which water or other liquids are removed from an area or body
Usage: commonly used in civil engineering, agriculture, and medicine
2. the liquid or matter that flows out through a drainage system
Usage: medical context: fluid discharged from a wound or body cavity

Examples

• The city improved its storm drainages to prevent flooding during heavy rains.
• Proper drainages in agricultural fields help prevent waterlogging of crops.
• The hospital monitored the patient's wound drainages after surgery.
• Engineers designed multiple drainages throughout the parking lot.
• Coastal drainages must account for both freshwater runoff and tidal influences.
• The building's foundation requires effective drainages to avoid water damage.