of, relating to, or involving members of two parties; specifically : marked by or involving cooperation, agreement, and compromise between two major political parties
Examples
The bill has bipartisan support in the Senate, since it stands to benefit both Democrats and Republicans equally.
“The stated aim of No Labels, the group giving the dinner ahead of its Problem Solver Convention on Monday, was to encourage bipartisan leadership.” — Ruth La Ferla, The New York Times, 12 Oct. 2015
How my heart sings 
I note that the cat takes far more interest in cars than blondes 🙂
I hope he does not want his own!!