Har·bor v. t. [Written also harbour.] [imp. & p. p. Harbored p. pr. & vb. n. Harboring.] To afford lodging to; to entertain as a guest; to shelter; to receive; to give a refuge to; to indulge or cherish (a thought or feeling, esp. an ill thought); as, to harbor a grudge.
Any place that harbors men. --Shak.
The bare suspicion made it treason to harbor the person suspected. --Bp. Burnet.
Let not your gentle breast harbor one thought of outrage. --Rowe.