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Webster 1913 Edition

Adj.

See

[Obs.]

octogonal ‎(comparative more octogonal, superlative most octogonal)

octogonal m ‎(feminine singular octogonale, masculine plural octogonaux, feminine plural octogonales)

octogonal ‎(plural octogonais, comparable)

octogonal m, f ‎(plural octogonales)