Definition of "king-killer" []

• One who kills a king; a regicide. (noun)
• A large, high-finned killer-whale, supposed to be the male. (noun)

The Century Dictionary (Public Domain)

• "No king-killer has ever had such a vast array of effective weapons within such easy reach."
• "When I hear the negative judgment of a king-killer, I try to remind myself to turn that judgment around and apply it to its source, to see whether the indictment is not more about the accuser than the accused."
• "It is not hard to see why Shakespeare, writing in the restless 1590s, shied away from delving too deeply into the character and motivation of a young, martial king-killer."