cardinal
n.— «The 57-year-old Wolf is a so-called cardinal on Capitol Hill, the term for chairmen of subcommittees of the House Appropriations Committee.» —“‘Safe’ Wolf Was ‘Present’ ” by Peter Hardin Richmond Times-Dispatch (Va.) Jan. 8, 1997. (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...
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...