center square (English, noun)
expansion: center square (plural center squares)
expansion: (American spelling)
Senses:
glosses: A tool used to find the center of a circle, consisting of two perpendicular straight-edges, both placed tangent to the circular piece, and a third straight-edge which bisects the angle between the other two.
tags: US
Forms:
form: center squares
tags: plural
form: centre square
tags: alternative