Available Definitions:
1) a. - Marking a difference; distinguishing.
2) v. t. - To set apart as being different; to mark as different; to separate from another by discerning differences; to distinguish.
3) v. i. - To make a difference or distinction; to distinguish accurately; as, in judging of evidence, we should be careful to discriminate between probability and slight presumption.
4) v. i. - To treat unequally.
5) v. i. - To impose unequal tariffs for substantially the same service.