[f. EXPLAIN + -ER1.] One who or that which explains.

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1589.  Puttenham, Eng. Poesie, III. xii. (Arb.), 179. The Greekes call him [a maner of speach] Prolepsis, we the Propounder, or the Explaner.

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1643.  Milton, Divorce, II. iii. (1851), 68. According to our common explainers.

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1695.  Motteux, St. Olon’s Morocco, 41. Their Prophet, whom they call God’s great Favorite, and the Explainer of his Will.

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1860.  Bagehot, Hist. Unref. Parl., 37. He [a prime minister under a parliamentary constitution] must be, if not a great orator, a great explainer.

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1881.  Daily News, 29 Dec., 5/2. He was the expounder and explainer of the reforms.

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