1. experienced sailors or seafarers
Usage: nautical; informal
2. seals, especially harbor seals
Usage: informal

Examples

• The old seadogs gathered at the harbor to share tales of their voyages.
• Captain Murphy and his crew were true seadogs who had sailed every ocean.
• The weathered seadogs knew how to navigate by the stars alone.
• We watched the playful seadogs sunbathing on the rocky shore.
• The seadogs barked loudly as our boat approached their resting spot.
• These experienced seadogs had weathered countless storms at sea.