noun

1. a place of refuge, safety, etc.; retreat; shelter
2. a protected inlet, or branch of a sea, lake, etc., where ships can anchor, esp. one with port facilities

Etymology: ME herberwe < OE herebeorg (& ON herbergi), lit., army shelter (< here, army + beorg, a shelter), akin to OHG heriberga: see harbinger

transitive verb

1. to serve as, or provide, a place of protection to; shelter or house; conceal or hide
2. to be the dwelling place or habitat of
3. to hold in the mind; cling to to harbor a grudge

intransitive verb

1. to take shelter, as in a harbor
2. to live or exist