Wordnet 3.0
VERB (1)
1. 
 produce on a large scale; 
The Collaborative International Dictionary of English v.0.48:
mass-produce \mass-produce\ v. t.
   To produce on a large scale.
   [WordNet 1.5]
WordNet (r) 3.0 (2006):
mass-produce
    v 1: produce on a large scale