Available Definitions:
1) v. t. - Disturbed; troubled; solicitous; as, to be much concerned for the safety of a friend.
2) v. t. - To engage by feeling or sentiment; to interest; as, a good prince concerns himself in the happiness of his subjects.
3) v. i. - To be of importance.
4) n. - That which relates or belongs to one; business; affair.
5) n. - That which affects the welfare or happiness; interest; moment.
6) n. - Interest in, or care for, any person or thing; regard; solicitude; anxiety.
7) n. - Persons connected in business; a firm and its business; as, a banking concern.