Fixed belief or opinion
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
As ground for rejecting a furor, this phrase means a settled belief or opinion which would so strongly influence the mind of the juror and his decision in the case that he could not exclude it from his mind and render a verdict solely in accordance with the law and the evidence.
Bales v. State, 65 Ala. 30 ; Curley v. Com., 84 Pa. 156; Staup v. Com., 74 Pa. 461.