angle, angu-

(Latin: a corner, a bend)

multangulum (mul-TANG-you-lum) (s) (noun), multangulums (pl)
A bone possessing numerous turns: Jane's doctor was examining the multangulums in her wrist to see if she broke any of them when she fell and was suffering with a great deal of pain in her left hand and lower arm.
nonangle (non-ANG-you-luhr) (adjective) (usually not comparable)
Having nine definite turns or edges: There are some religious temples, and other structures, that have been built with nonangular shapes or designs.
octangular (ok-TANG-you-luhr) (adjective) (usually not comparable)
Having eight obvious intersections or junctions: The term octangular may refer to an eight sided geometric figure or a numeric quantity of eight divergent loops.
pentangle (pen-TANG-uhl) (s) (noun), pentangles (pl)
An area in the shape of a five-sided construction that is surrounded on all sides by buildings: The five-acre central plaza of the Pentagon is equivalent to a pentangle.
pentangular (pen-TANG-you-luhr) (adjective) (usually not comparable)
Having five pronounced and visible curls or edges: Okra, also known as "lady fingers", is a green plant of the mallow family with pentangular cross-sections which, when they are fried, are a delicacy primarily in the southern states of the U.S.
quadrangle (kwohd-RAN-guhl) (s) (noun), quadrangles (pl)
An area in the shape of a four sided formation which is surrounded on all sides by buildings: While on tour in Italy, the tourists passed through an archway into a large quadrangle.
quadrangular (kwohd-RANG-you-luhr) (adjective) (usually not comparable)
Having four distinct and visible corners or bends: Squares, parallelograms, and rectangles are all quadrangular shapes of buildings or other structures.
quinquangular (kwin-KWANG-you-luhr) (adjective) (usually not comparable)
Having fifty junctions and visible aspects: When Susan looked at the quinquangular polygon, with its divergent sides of equal size, it looked very much like a circle.
rectangle (rek-TAN-guhl) (s) (noun), rectangles (pl)
A plane figure with four straight sides and four corners, all of which are equal, or anything shaped like this: Sharon's father had constructed twenty cabins that were in the form of rectangles to rent to summer tourists to live in while they were vacationing near the lake.
rectangular (rek-TANG-you-luhr) (adjective), more rectangular, most rectangular
1. Relating to a square-shaped structure that has four cube-like surfaces: A rectangular drawing is one that has four right angles which are also defined as an equiangular or quadrilateral figures.
2. Etymology: from the Latin rectangulus; a combination of rectus, "right" + angulus, "angle".
rectangularly (adverb), more rectangularly, most rectangularly
A figure with four straight sides and all of its intersections at 90 degrees: Herman made a neat rectangularly shaped garden area behind his house.
septangle (sep-TAN-guhl) (s) (noun), septangles (pl)
A figure that has seven sides and seven connecting edges: Septangles occasionally occur in nature as cacti cross-sections.
septangular (sep-TANG-you-luhr) (adjective), more septangular, most septangular
Descriptive of a geometric shape with seven straight sides and seven junctions: While in the desert, Jim discovered that some cacti, which when sliced, showed their cross-sections in the forms of stars or septangular shapes.
sexangular (sex-ANG-you-luhr) (adjective), more sexangular, most sexangular
Having six pronounced and visible divergent edges: Maurice had a supply of sexangular bricks which he planned to use to construct a special sitting area in his garden.
triangle (try-AN-guhl) (s) (noun), triangles (pl)
A figure or object that has three corners and three sides: Maxwell's mother was cutting the sandwiches for her guests into triangles.