noun
angle plate; angle rest; right angle
Technical term used in machining, metalworking, and precision measurement. Refers to an L-shaped tool or fixture for holding workpieces at a right angle or checking squareness.
from French équerre
加工するときは、イケールにワークを固定してください。
When machining, please secure the workpiece on the angle plate.
このイケールは直角の精度が高い。
This angle plate has high right-angle accuracy.