woodchip noun2 •A small mechanically produced piece (chip) of wood, generally from 0.5 to 10 cm in diameter, used primarily as raw material for pulp, paper and construction boards, as well as fuel and mulch. •A small fibre of wood; especially such material as used to make ingrain wallpaper, aka woodchip wallpaper.Oh, Deborah, do you recall? / Your house was very small / With woodchip on the wall — 1995 formswoodchips