noun
[noncount] the parts of a room or house (such as window frames or stairs) that are made of wood
Brit :woodworking
Brit informal :the wooden frame of football or soccer goalposts
come/crawl out of the woodwork
disapproving
If people come/crawl out of the woodwork, they appear suddenly, usually because they see an opportunity to get something for themselves.
into the woodwork
used in phrases like fade into the woodwork to describe someone or something that is not noticed or that seems to disappear