nuke
n.— «The only off-limits area: the massive nuclear reactor that powers the sub. “That’s our backbone right there,” said Machinist’s Mate 1st Class Roy Fenstermaker, pointing to the closed-door area where he and about 50 other “nukes,” as they call themselves, work on the nuclear elements.» —“Life aboard a nuclear sub” by Evan S. Benn Miami Herald (Florida) Apr. 27, 2005. (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...
Chad in Hilliard, Florida, wonders about the expression old as Methuselah, meaning “extremely advanced in years.” The phrase references Methuselah, a figure in Jewish, Islamic, and Christian tradition said to be 969 years old when he...