sb. (a.) [f. TETRA- + SYLLABLE; cf. Gr. τατρασύλλαβος of four syllables.] a. sb. A word of four syllables. b. adj. Tetrasyllabic.

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1589.  Puttenham, Eng. Poesie, II. iii. (Arb.), 82. Euery sillable being allowed one time, either short or long, it fell out that euery tetrasillable had foure times, euery trissillable three, and the bissillable two.

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1749.  J. Mason, Numbers in Poet. Comp., 17. Any two … joined together in a different Position make a different tetrasyllable Foot.

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  So Tetrasyllabic, Tetrasyllabical adjs., consisting of four syllables.

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1656.  Blount, Glossogr., Tetrasyllabical, that hath or contains four syllables.

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1775.  Ash, Tetrasyllabic, containing four syllables.

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1804.  Mitford, Inquiry, 343, note. Describing the antient feet, classing them as dissyllabical, trissyllabical, and tetrasyllabical.

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