[f. BURROW v.1 + -ER1.] An animal or person that burrows. (lit. and fig.)

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1854.  Woodward, Mollusca (1856), 241. The boring shell-fish have been distinguished from the mere burrowers.

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1862.  Lond. Rev., 16 Aug., 142. The shrewdest burrower after facts.

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1874.  Lubbock, Orig. & Met. Ins., ii. 29. The larvæ of Sirex being wood-burrowers.

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1883.  G. Allen, in Knowledge, 22 June, 367/2. [Shrews and moles] are … most of them burrowers.

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