centring chisel

См. также в других словарях:

• piciform — [pi′sə fôrm΄] adj. of, or having the nature of, an order (Piciformes) of birds, including woodpeckers and toucans, having two front and two hind toes for clinging to vertical surfaces * * * ▪ bird Introduction  any member of the group of birds… …   Universalium