What does it mean if salmon is seared?

Searing requires the surface of the meat to be dry. In the case of salmon the skin helps it cook more evenly.

Explanation:

It's cooked partially!

Explanation:

By definition, searing is a technique in which the meat's surface comes into contact with a very hot surface (pan, grill, etc.) and forms a flavorful crust in result (known as Maillard reaction). Searing requires the surface of the meat to be dry. In the case of salmon, the skin helps it cook more evenly.