(1):

(n.) The laying out of money in the purchase of some species of property; the amount of money invested, or that in which money is invested.

(2):

(n.) The act of investing, or the state of being invested.

(3):

(n.) That with which anyone is invested; a vestment.

(4):

(n.) The act of surrounding, blocking up, or besieging by an armed force, or the state of being so surrounded.