Circularity: alternatives and connections

In a plane, the two imaginary circular points at infinity; in space of three dimensions, the imaginary circle at infinity.

An oval or circular building with rising tiers of seats about an open space called the arena.

A circular or ringlike formation; a ring or belt.

A curvature in the shape of a circular arc or an arch; as, the colored arc (the rainbow); the arc of Hadley's quadrant.

An instrument for drawing a circular arc without the use of a central point; a cyclograph.

A lamp with a circular hollow wick and glass chimney which allow a current of air both inside and outside of the flame.

An ornament resembling a ball placed in a circular flower, the petals of which form a cup round it, -- usually inserted in a hollow mo…

A species of silk or cotton handkerchief, having a uniformly dyed ground, usually of red or blue, with white or yellow figures of a ci…

A plane used for cutting out grooves and inlaying strings and bands in straight and circular work.

A circular or oval valley, or depression of the surface of the ground, the lowest part of which is generally occupied by a lake, or tr…

A band or stripe, as of color, round any organ; or any circular ridge or series of ridges.

A decoration of a flat surface, as of a band or belt, representing circular disks lapping one upon another.

To make a hole or perforation with, or as with, a boring instrument; to cut a circular hole by the rotary motion of a tool; as, to bor…

The part of anything which is beneath the contents and supports them, as the part of a chair on which a person sits, the circular base…

A thin nail, usually small, with a slight projection at the top on one side instead of a head; also, a small wire nail, with a flat ci…

an advertisement (usually printed on a page or in a leaflet) intended for wide distribution; "he mailed the circular to all subscriber…

A circular revolving brush used by turners, lapidaries, silversmiths, etc., for polishing.

A block of wood or plate of iron made to fit a hawse hole, or the circular opening in a half-port, to prevent water from entering when…