What does "differ" mean?

Additional senses

1. 2.To be of unlike or opposite opinion; to disagree in sentiment; -- often with from or with.
2. 3.To have a difference, cause of variance, or quarrel; to dispute; to contend. We 'll never differ with a crowded pit. Rowe. -- To Differ with, Differ from. Both differ from and aiffer with are used in reference to opinions; as, "I differ from you or with you in that opinion."" In all other cases, expressing simple unlikeness, differ from is used; as, these two persons or things differ entirely from each other. Severely punished, not for differing from us in opinion, but for committing a nuisance. Macaulay. Davidson, whom on a former occasion we quoted, to differ from him. M. Arnold. Much as I differ from him concerning an essential part of the historic basis of religion. Gladstone. I differ with the honorable gentleman on that point. Brougham. If the honorable gentleman differs with me on that subject, I differ as heartily with him, and shall always rejoice to differ. Canning.
3. 4.To cause to be different or unlike; to set at variance. [R.] But something 'ts that differs thee and me. Cowley.