N. quadrisection, # quadripartition, quartering, fourth, quart, quarter, quartern, farthing (i.e. fourthing), quadrant

V. quarter, divide into four parts

Adj. quartered, quadrifid, quadripartite, rectangular

N. verticality, erectness, # perpendicularity, right angle, normal, azimuth circle, wall, precipice, cliff, elevation, erection, square, plumb line, plummet

V. be vertical, stand up, stand on end, stand erect, stand upright, stick up, cock up, render vertical, set up, stick up, raise up, cock up, erect, rear, raise on its legs

Adj. vertical, upright, erect, perpendicular, plumb, normal, straight, bolt, upright, rampant, standing up, rectangular, orthogonal

Adv. vertically, up, on end, up on end, right on end, a plomb, endwise, one one's legs, at right angles

N. {ant. 216} perpendicularity, # orthogonality, verticality, &c. 212

V. be perpendicular, be orthogonal, intersect at right angles, be rectangular, be at right angles to, intersect at 90 degrees, have no correlation

Adj. orthogonal, perpendicular, rectangular, uncorrelated

N. angularity, angularness, aduncity, angle, cusp, bend, fold, notch, fork, bifurcation, elbow, knee, knuckle, ankle, groin, crotch, crutch, crane, fluke, scythe, sickle, zigzag, kimbo, akimbo, corner, nook, recess, niche, oriel, coign, right angle, 212, obliquity, angle of 45x, miter, acute angle, obtuse angle, salient angle, reentering angle, spherical angle, angular measurement, angular elevation, angular distance, angular velocity, trigonometry, goniometry, altimetry, clinometer, graphometer, goniometer, theodolite, sextant, quadrant, dichotomy, triangle, trigon, wedge, rectangle, square, lozenge, diamond, rhomb, rhombus, quadrangle, quadrilateral, parallelogram, quadrature, polygon, pentagon, hexagon, heptagon, octagon, oxygon, decagon, pyramid, cone, platonic bodies, cube, rhomboid, tetrahedron, pentahedron, hexahedron, octahedron, dodecahedron, icosahedron, eicosahedron, prism, pyramid, parallelopiped, curb roof, gambrel roof, mansard roof

V. bend, fork, bifurcate, crinkle

Adj. angular, bent, crooked, aduncous, uncinated, aquiline, jagged, serrated, falciform, falcated, furcated, forked, bifurcate, zigzag, furcular, hooked, dovetailed, knock kneed, crinkled, akimbo, kimbo, geniculated, oblique, fusiform, wedge-shaped, cuneiform, cuneate, multangular, oxygonal, triangular, trigonal, trilateral, quadrangular, quadrilateral, foursquare, rectangular, square, multilateral, polygonal, cubical, rhomboid, rhomboidal, pyramidal