شحى doesn't appear in Hans Wehr's Modern Standard Arabic dictionary, but Lane's Arabic-English Lexicon has an entry for it. Select the entry below for the full classical Arabic definition.

• شَحِىَ Form 1

  1 شَحِىَ ذ , like رَضِىَ, inf. n. شَحْىٌ, is said by ISd and in the K to be a dial. var. of شَحَا, inf. n. شَحْوٌ, i. e., as ISd says, meaning He opened his mouth; but the latter, he says, is the better known: this, howe…

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