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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.

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Nearby words

half-quire, half-remembered, half-rhyme, half-right, half-rod, half-round, half-round chisel, half-round file, half-ruined, half-seas over, half-second

Origin of half-round

First recorded in 1655–65

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for half-round

The round face of a half-round file requires eight, ten or more courses to complete it.
Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3|Various
These half-round brass plates on the steps of the poop-ladders are beastly dangerous things!
Tales Of Hearsay|Joseph Conrad
Round iron or half-round iron should not be used, as these are liable to skid.
The Boy Mechanic, Book 2|Various
It is an endogenous plant, the stem of which is enclosed in layers of half-round petioles.
The Philippine Islands|John Foreman

Brass finishers use square taper reamers, which produce upon brass more true work than the half-round reamer.
Modern Machine-Shop Practice, Volumes I and II|Joshua Rose