Har·bor n. [Written also harbour.]
 1. A station for rest and entertainment; a place of security and comfort; a refuge; a shelter.
    [A grove] fair harbour that them seems.   --Spenser.
    For harbor at a thousand doors they knocked.   --Dryden.
 2. Specif.: A lodging place; an inn. [Obs.]
 3. Astrol. The mansion of a heavenly body. [Obs.]
 4. A portion of a sea, a lake, or other large body of water, either landlocked or artificially protected so as to be a place of safety for vessels in stormy weather; a port or haven.
 5. Glass Works A mixing box for materials.
 Harbor dues Naut., fees paid for the use of a harbor.
 Harbor seal Zool., the common seal.
 Harbor watch, a watch set when a vessel is in port; an anchor watch.