e/Generalised circle

Information
has gloss	eng: A generalized circle, also referred to as a cline, is a straight line or a circle. The concept is mainly used in inversive geometry, because straight lines and circles have very similar properties in that geometry and are best treated together.
lexicalization	eng: Generalised circle
instance of	(noun) any circular or rotating mechanism; "the machine punched out metal circles" circle, round