dial. Obs. Also 7 spurre. [Of obscure origin.] The common tern, Sterna hirundo (or fluviatilis).

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a. 1672.  Willughby, Ornith. (1676), 269. In insula Caldey meridionali Cambriæ littori adjacente Spurres eas vocant, communi cum Argentinensibus nomine; et insulam ubi simul nidificant Spurre-Island. [Hence in Ray and later writers.]

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