The art, practice, or place where engraving or grave carving is done; a workshop for engravers.
From 'grave' (to engrave) plus the suffix '-ery', which denotes a place, practice, or collection of things (like 'bakery' or 'pottery').
Many English '-ery' words are fading from everyday use, making 'gravery' a ghostly remnant of older craft terminology—it evokes a workshop that few modern people would ever visit.
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