Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.
Class II. Words Relating to SpaceSection III. Form
2. Special Form
245. Curvature.
CURVE, arc, arch, arcade, vault, bow, crescent, meniscus, half-moon, lunule, horseshoe, loop, crane neck; parabola, hyperbola; catacaustic, diacaustic; geanticline, geosyncline; catenarian, catenary, festoon; conchoid, cardioid; caustic; tracery; arched- ceiling, – roof; bay window, bow window.
RENDER CURVED &c. adj.; bend, curve, incurvate; deflect, inflect; crook; turn, round, arch, arcuate, arch over, embow, recurvate [rare], concamerate [rare]; bow, coil, curl, recurve, frizzle, friz or frizz.
BEAK-SHAPED, beaked, rostrate, rostriform, rostroid, rhamphoid.
BELL-SHAPED, campaniform, campanular, campanulous, campanulate.
BOAT-SHAPED, navicular, cymbiform, naviform, scaphoid.
BOW-SHAPED, arcuate or arcuated, arcual; arciform, arclike, embowed.
CRESCENT-SHAPED, crescent, crescentiform, crescentic, convexo-concave, sigmoid, semilunar, horned, meniscal, bicorn, bicornute or bicornuate, bicornuous [rare], bicorned or bicornous, semicircular.
HEART-SHAPED, cordiform, cardioid, cordate.
HELMET-SHAPED, galeiform, galeate, galeated, cassidiform.
HOOK-SHAPED, hooked, hooklike, unciform, uncate, uncinal, uncinate, hamulate, hamate, hamiform, hamose or hamous [both rare]; unguiform, unguiculate or unguiculated; curvated, aduncate, aduncous, adunc.
KIDNEY-SHAPED, reniform.
LENS-SHAPED, lenticular, lentoid, lentiform, meniscal, meniscoid.
MOON-SHAPED, lunar, lunate or lunated, luniform, lunular, lunulate or lunulated, crescent-shaped (q. v.); Cynthian.
OAR-SHAPED, remiform [rare].
PEAR-SHAPED, pyriform; obconic.
SHELL-SHAPED, conchate, conchiform, conchylaceous [rare], conchoidal [min.].
SHIELD-SHAPED, scutate, scutiform, peltate, clypeate or clypeated, clypeiform.
SICKLE-SHAPED, falcate, falciform, falculate [rare].
TONGUE-SHAPED, linguiform, lingulate, ligulate.
TURNIP-SHAPED, napiform.