cardinal
n.— «As a so-called “cardinal,” or appropriations subcommittee chairman, Packard will influence the debate, said Dan Michaelis, spokesman for Rep. Peter King, R-N.Y.» —“Packard now backs Bosnia plan” by James V. Grimaldi Orange County Register (California) Dec. 12, 1995. (source: Double-Tongued Dictionary)
Further reading
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...