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the correct but commonly unused word to describe a geometric figure that has eight sides. derived from the latin vernacular 'gonical', which is translated: rachel doesnt know what she's talking about, b/c she failed geometry sophomore year.
dave: yeah if it was .... octagonical... like a stop sign

rach: you mean octagonal?? haha silly.

dave: NO, i mean octagonical... its a word...
by bigwavedave July 28, 2006
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