half-round
[haf-round, hahf-]
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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
Examples from the Web for half-round
Historical Examples of half-round
Round iron or half-round iron should not be used, as these are liable to skid.
The Boy Mechanic, Book 2Various
The seat battens are half-round in section, and are cut from 3-in.
Rustic CarpentryPaul N. Hasluck
The curves may be finished with half-round file or sandpaper.
Manual Training Toys for the Boy's WorkshopHarris W. Moore
Taps for other metal have also been made of half-round section.
The mounted maps are glued and tacked to the half-round rollers.
Practical BookbindingPaul Adam