1.  A specially intimate or beloved friend.

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1590.  Greene, Never too Late (1600), 56. There is nothing better than a bosom friend with whom to conferre.

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1650.  Hubbert, Pill Formality, 221. His … inward bosome friends.

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1699.  Shaftesb., Inq. conc. Virtue, II. ii. 147. The secrets of the Breast unfolded to a Bosom-friend.

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1878.  Bosw. Smith, Carthage, 13. Polybius … was the bosom friend of her destroyer.

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  † 2.  transf. An article of wearing apparel to protect the bosom from cold. Obs. (Cf. comforter.)

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1802.  Hull Packet, 28 Sept., 2/2. Handkerchiefs, tippets, bosom friends and other articles peculiarly adapted to the ensuing season.

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1838.  Workwoman’s Guide, xi. 275. Some persons do not hollow out bosom friends, but knit them square or oblong.

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