1. a democrat when in the majority party.

(that's the only entry in the definition)

ex. “I say to my friends on the Republican side, you may own the field right now, but you won’t own it forever,” Biden concluded. “I pray God, when the Democrats take back control, we don’t make the kind of naked power grab you are doing.”

ex. (2) Then-Sen. Barack Obama added in 2005: “I sense that talk of the nuclear option is more about power than about fairness … I believe some of my colleagues propose this rules change because they can get away with it rather than because they know it’s good for our democracy.

ex. (3) “The threat to change Senate rules is a raw abuse of power and will destroy the very checks and balances our founding fathers put in place to prevent absolute power by any one branch of government,” Sen. Harry Reid (D-Nev.) said in 2005