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Hint: Question mark (?) is a wildcard. Question mark substitutes one character.
English
noun
:
tetragon
1.
tetragon
(shape)
a four-sided polygon
Synonyms
quadrangle
,
quadrilateral
Broader (hypernym)
polygon
,
polygonal shape
Narrower (hyponym)
parallelogram
,
trapezium
,
trapezoid
Based on WordNet 3.0 copyright © Princeton University.
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. English edition:
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.
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