adj, ma*tur*er  -est  1  :  having completed natural growth and development <a ovary>   2  :  having undergone maturation < germ cells> 
vb, ma*tured  ma*tur*ing vt  :  to bring to maturity or completion vi  :  to become fully developed or ripe maturer n 
 
 also   
 
Similar sounding terms:  mad·der  mater  mat·ter  mat·tery 
 
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