Function: noun
Date: 1678
: a bevel with an immovable arm at an angle of 45 degrees for striking marking lines also : a square with an arm adjustable to any angle
Function: noun
Date: 1678
: a bevel with an immovable arm at an angle of 45 degrees for striking marking lines also : a square with an arm adjustable to any angle
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012