gallet

or gal·et, gar·ret

[ gal-it ]
/ ˈgæl ɪt /
Masonry.
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noun

verb (used with object)

to fill (a mortar joint) with gallets.

Origin of gallet

1705–15; < French galet pebble, Old French galet, jalet, derivative of Old North French gal pebble (said to be < Celtic, but MIr gall “pillar stone, standing stone” is only point of comparison)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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