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linnet hole

American

noun

a small hole joining a glassmaking furnace to the arch.

Etymology

Origin of linnet hole

1655–65; linnet, probably < French lunette; lunette

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.