coleopter

noun — 2 senses

noun

Biology, Natural sciences, Zoology One of the Coleoptera; a beetle.

A type of VTOL aircraft which uses a ducted fan as the primary fuselage of the entire aircraft.

But the coleopter, with its tubular wing, belongs in a class by itself.1955 May, “Why You May Fly in a Barrel”, in Popular Science, volume 166, number 5, page 100:

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