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1. A sheltered part of a body of water deep enough to provide anchorage for ships.
2. A place of shelter; a refuge.
tr.v. har·bored, har·bor·ing, har·bors
1. To give shelter to: harbor refugees; harbor a fugitive.
2. To provide a place, home, or habitat for: a basement that harbors a maze of pipes; streams that harbor trout and bass.
3. To entertain or nourish (a specified thought or feeling): harbor a grudge.
[Middle English herberwe, probably from Old English herebeorg, lodging; see koro- in Indo-European roots.]