(1):

(v. i.) To grow, as plants, by nutriment imbibed by means of roots and leaves; to start into growth; to sprout; to germinate.

(2):

(v. i.) Fig.: To lead a live too low for an animate creature; to do nothing but eat and grow.

(3):

(v. i.) To grow exuberantly; to produce fleshy or warty outgrowths; as, a vegetating papule.