Available Definitions:
1) prep. - Pertaining to; regarding; having relation to; respecting; as regards.
2) a. - Important.
3) n. - That in which one is concerned or interested; concern; affair; interest.
4) n. - Importance; moment; consequence.
5) n. - Concern; participation; interposition.
6) n. - Emotion of mind; solicitude; anxiety.
7) n. - Persons connected in business; a firm and its business; as, a banking concern.