1. substances used to seal or close gaps, cracks, or surfaces to prevent leakage
2. people who hunt seals for their fur, oil, or meat
Usage: historical
3. ships or boats used for seal hunting
Usage: nautical; historical

Examples

• The contractor applied several different sealers around the windows.
• Wood sealers protect outdoor furniture from moisture damage.
• The old sealers would spend months at sea hunting in the Arctic waters.
• Many sealers worked dangerous jobs in the harsh northern climate.
• The museum displayed artifacts from 19th-century sealers.
• Concrete sealers help prevent cracks from forming in driveways.
• The sealers returned to port with their cargo of seal pelts.