bill of health

1. A certificate stating whether there is infectious disease aboard a ship or in a port of departure, given to the ship's master to present at the next port of arrival.
2. Informal. An attestation as to condition, especially a favorable one: gave the structure a clean bill of health in spite of its age.

1. A certificate stating whether there is infectious disease aboard a ship or in a port of departure, given to the ship's master to present at the next port of arrival.
2. An attestation as to condition, especially a favorable one.

The noun has one meaning:

Meaning #1: a certificate saying that a ship's company was healthy