Rare, literary term for a skilled woodworker or cabinetmaker. In modern Japanese, 指物師 (さしものし) or 木工職人 (もっこうしょくにん) are more common.
"梓匠" is a word found in old texts that refers to a woodworker.
A literary word inherited from Chinese usage. 梓匠 denotes workers in wood, and 梓 historically carried associations with carpentry.