(n) eight-sided shape
octagon
(n) octagon
(adj-no) semicircular
(adj-no) semicircular
crescent-shaped
half-moon
(adj-no) semicircular
crescent-shaped
half-moon
(n) semi-major axis
(n) warped shape
(n) negative form
(n) non-linear
(adj-no) tabular
tabular form
(n) surface form
(n) excipient (inactive ingredient added to a drug)
filler
(n) plural form
(n) square
(n) plane figure
(n) variation
variant pattern
(n) variation
variant pattern
(n) myxomycete
slime mold
(n) plasmodium (form within the life cycle of myxomycete slime molds)
(n) square wave
(n) regular pyramid
(n) spindle-shaped
(n) (comp) explosion proof
(n) (ling) imperfective form
(n) (ling) future tense
(adj-na,n) amorphous
shapeless
(n) (ling) imperative form
command
(n) utriculus
utricle
(n) streamlined
(n) (ling) participle adjective
attributive form