dirt Navy
n.— «These are the sights, sounds and smells of the “Dirt Navy,” the buzz words for a new initiative that, if put into play, could thrust sailors into a domain long reserved for foot soldiers.» —“Navy considers sailors trained for close-quarters assault” by Joanne Kimberlin in Quantico Virginian-Pilot (Hampton Roads, Va.) Oct. 18, 2005. (source: Double-Tongued Dictionary)
Further reading
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There are eight major planets, but more than a million minor ones, including asteroids. If you discover one, you get the honor of naming it. The Dictionary of Minor Planet Names includes minor planets named for rock bands, jazz musicians, poets, and...