A plane figure with four sides and four angles.
A plane figure of four sides.
( geom.) A plane figure having four sides.
having four sides
having four sides and four angles
Three more of the steel spikes were hammered into the surface, forming a rough quadrilateral around the Pole. "Anchorite", Randall Garrett.
Three more of the steel spikes were hammered into the surface, forming a rough quadrilateral around the Pole.
State; rank; qualification; an essential provision to the doing of something; circumstances; terms of a contract. ...