sea card

noun4

1. •
   An ID card that identifies someone as eligible to work as crew aboard ship.

   • Goodrich, on of eleven crew members who became clergy members, spoke about the sea cards the students carried , the South American blueprints he keeps in his home. — 1997
2. •
   An ID card issued by a cruise ship line to passengers, often tied to a credit card, which passengers use to board the ship after excursions, to enter their rooms, and usually to pay for items while on the ship.

   • They stopped the first waiter and placed their order for the tropical concoction of the day using their Sailing/Sea card for payment. — 2011
3. •
   A map of the ocean.

   • The log fairly gives me my place on the sea card, and then there is the lead. — 1888
4. •
   A mariner's card, or compass.

   • The sea card is made of aluminium, has small needles 1.5 inches long, and forms a rigid and light system, only 15 gramms weight. — 1893