n.
 a flower or a mass of flowers on a tree or bush. 
▸the state or period of flowering.
v.
  - (of a tree or bush) produce blossom.
 - mature or develop in a promising or healthy way.
 
 
  Derivative
  
  Etymology
  OE blōstm, blōstma (n.), blōstmian (v.), of Gmc origin; rel. to bloom1.