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|Noun||1.||plane figure - a two-dimensional shape |
figure - a combination of points and lines and planes that form a visible palpable shape
heart - a plane figure with rounded sides curving inward at the top and intersecting at the bottom; conventionally used on playing cards and valentines; "he drew a heart and called it a valentine"
conic, conic section - (geometry) a curve generated by the intersection of a plane and a circular cone
oblong - a plane figure that deviates from a square or circle due to elongation
sector - a plane figure bounded by two radii and the included arc of a circle
star - a plane figure with 5 or more points; often used as an emblem
paraboloid - a surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis
ellipsoid - a surface whose plane sections are all ellipses or circles; "the Earth is an ellipsoid"