straight

concave, curvilinear, rectangular, contoured, scalloped, convex, arched, sloped, beveled, wavy, elongated, sculptured, chamfered, angled, angular, ridged, diagonal, ogee, conical, upswept, cylindrical, semicircular, perpendicular, winglike, cantilevered, trapezoidal, fluted, squarish, hexagonal, pentagonal, reeded, knurled, sawtooth, sculpted, octagonal, translucent, fanlike, rectilinear, cambered, gothic arch, fingerlike, oblong, ovoid, dentil, corbel, equilateral triangle, conic, cruciform, symmetrical, binnacle, baluster, tubelike, radiator grille, lathed, shaped, oculus, newel post, dihedral, gable roof, isosceles triangle, bullnose, rearmost, inlaid, ebonized, textured, serrated, undulating, horizontal, lacelike, semitransparent, crosshatch, louvred, serpentine, mitered, lobed, recurved, ellipsoidal, rhomboid, bulbous, cuboid, kinked, mirrorlike, sleek, lacquered, boxlike, indented, coved, retractable, foglamp, sinuous, spherical, equilateral, bladelike, latticed, burled, isosceles, radiolucent, knobbed, positionable, pebbled, ribbonlike, squarer, counterclockwise, bend, bowing, curvature, pass, roll, somersaults, speed, bends, black, carload, cleat, clockwise, columns, concavity, contrast, convexity, crowns, curl, bent, straight, tapered, hooked, hinged, straighter, angulated, bevelled, curving, curvy, incurved

., aepyceros melampus, american creeper, anorthopia, antrorse, aquiline, arabis canadensis, arc, arch, arcuate artery, arcuate artery of the kidney, aristolochia durior, aristolochia macrophylla, arrowworm, arteria arcuata, auger, babiroussa, babirusa, babirussa, babyrousa babyrussa, bend, bill, billhook, black bead, black medick, boomerang, bow, breve, brown creeper, bryozoan, calabash, calabash pipe, calidris ferruginea, campylotropous, campylotropous ovule, cassia tora, cat's-claw, catchweed, catclaw, cavalry sword, centrifugal force, centripetal force, certhia americana, certhia familiaris, chaetognath, cilium, cingulate gyrus, circle, circumflex vein, claw, cleavers, clivers, cobble, cobblestone, contact, contact lens, costa, crampon, crampoon, crescent, crocket, crocketed, crookneck, crookneck squash, cupid's bow, curlew, curlew sandpiper, curve, curvilineal, curvilinear, cutlas, cutlass, cynically, decurved, deinonychus, dress circle, dutchman's-pipe, esparcet, european creeper, eyebath, eyecup, eyelash, eye cup, falcate, falciform, family spirillaceae, field hockey, foil, fretsaw, galium aparine, genus heliobacter, gooseneck, goose grass, gyrus cinguli, hame, harp, hawk nose, heliobacter, hockey, holy clover, honeycreeper, hook, hooked, hoop, hop clover, hydrofoil, ibis, impala, incurvation, inside track, jackknife clam, jigsaw, khukuri, kirpan, knife-handle, lash, line, linoleum cutter, linoleum knife, lopper, medicago lupulina, moldboard, moss animal, mouldboard, mudguard, musk rose, mycteria americana, nonesuch clover, onobrychis viciaefolia, onobrychis viciifolia, paisley, phragmacone, phragmocone, pick, pickax, pickaxe, pipe vine, pithecellodium unguis-cati, plumber's snake, polyzoan, pruner, pruning hook, pruning knife, razor clam, reaping hook, reap hook, recurvate, recurved, retroflex, retroflexed, retrorse, rib, rocker, rosa moschata, roundness, round shape, runcinate leaf, saber, sabre, sainfoin, sanfoin, sanson-flamsteed projection, scimitar, scorpion shell, scroll saw, scythe, sea mat, sea moss, semicircular, senna obtusifolia, sett, shovel, sickle, sickle-shaped, sicklepod, sickle feather, sigmoid, sinuate, sinuous, sinusoidal projection, slur, spirillaceae, splash-guard, splash guard, spline, spring cleavers, summer crookneck, tangent, throwing stick, throw stick, tree creeper, upholstery needle, vena circumflexa, vibrio, vibrion, voluptuously, waterbuck, wiggly, winter crookneck squash, wood-creeper, woodcreeper, woodhewer, wood ibis, wood stork, yataghan, yellow trefoil

arced, arched, arching, arciform, arcuate, bowed, curvey, curvilineal, curvilinear, curving, curvy, eellike, falcate, flexuous, incurvate, incurved, recurvate, recurved, semicircular, serpentine, sickle-shaped, sinuate, sinuous, sinusoidal, snaky, upcurved, wiggly