[So called by Captain Cook on account of the great variety of plants collected there by the botanist who accompanied him.] Proper name of a place in New South Wales, formerly a convict settlement; hence proverbially used in sense of ‘transportation’; also fig.

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1812.  Examiner, 19 Oct., 666/1. The famished wretch … is sent to the whipping-post or to Botany Bay.

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1821.  Byron, Juan, III. xciv. Such names at present cut a convict figure, The very Botany Bay in moral geography.

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1841.  Marryat, Poacher, vi. They are … sent off to Botany Bay.

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