VERB (3)

1. undergo genetic recombination;
- Example: "The DNA can recombine"

2. cause genetic recombination;
- Example: "should scientists recombine DNA?"

3. to combine or put together again;

The Collaborative International Dictionary of English v.0.48:

Recombine \Re`com*bine"\ (r?`k?m*b?n"), v. t.
   To combine again.
   [1913 Webster]

WordNet (r) 3.0 (2006):

recombine
    v 1: undergo genetic recombination; "The DNA can recombine"
    2: cause genetic recombination; "should scientists recombine
       DNA?"
    3: to combine or put together again