(1):

(n.) An original settlement in a new country; a colony.

(2):

(n.) The place planted; land brought under cultivation; a piece of ground planted with trees or useful plants; esp., in the United States and West Indies, a large estate appropriated to the production of the more important crops, and cultivated by laborers who live on the estate; as, a cotton plantation; a coffee plantation.

(3):

(n.) The act or practice of planting, or setting in the earth for growth.