Refers to the craft or art of making objects from wood, often with an artistic or traditional emphasis. Compare 木工 (もっこう), which can refer to woodworking in general or as a school subject.
See also: 木工
My grandfather's hobby is woodworking, and he often makes furniture.
Compound of 木 (wood), 工 (craft, construction), and 芸 (art, technique). The reading もっこう is a standard on'yomi combination.