half-round

[ haf-round, hahf- ]
/ ˈhæfˈraʊnd, ˈhɑf- /
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adjective

semicircular in cross section, as a molding or piece of type.

noun

anything that is semicircular in cross section.
Printing. a curved stereotype plate.

Origin of half-round

First recorded in 1655–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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