I. ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun
Etymology: over (III) + square, n.
: an earmark on an animal made by a rectangular cut removing the upper corner of the ear — see earmark illustration
II. | ̷ ̷ ̷ ̷| ̷ ̷ adjective
Etymology: over (I) + square, adjective
: having a piston diameter greater than the length of stroke — used of a cylinder engine or pump