Nouns denoting two and three dimensional shapes

bias
a line or cut across a fabric that is not at right angles to a side of the fabric
 
Cupid's bow
the double curve of the upper lip when considered to resemble Cupid's bow
 
S-shape
a double curve resembling the letter S
 
dewdrop
a drop of dew
 
oblique triangle
a triangle that contains no right angle
 
element
a straight line that generates a cylinder or cone
 
ray
(mathematics) a straight line extending from a point
 
solid angle
an angle formed by three or more planes intersecting at a common point (the vertex)
 
spherical angle
an angle formed at the intersection of the arcs of two great circles
 
tree
a figure that branches from a single root
 
interior angle
the angle inside two adjacent sides of a polygon
 
oblique angle
an angle that is not a right angle or a multiple of a right angle
 
round shape
a shape that is curved and without sharp angles
 
external angle
the supplement of an interior angle of a polygon
 
arc
a continuous portion of a circle
 
distortion
a shape resulting from distortion
 
sack
an enclosed space
 
wart
any small rounded protuberance (as on certain plants or animals)
 
arc
something curved in shape
 
enclosed space
space that is surrounded by something
 
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