grow 'grō vb, grew 'grü; grown 'grōn; grow·ing vi
1 a) to spring up and develop to maturity
b) to be able to grow in some place or situation
c) to assume some relation through or as if through a process of natural growth <the cut edges of the wound grew together>
2) to increase in size by addition of material by assimilation into the living organism or by accretion in a nonbiological process (as crystallization) vt to cause to grow <grew bacteria in culture>

Medical dictionary. 2011.