[F. capillaire maidenhair fern, ad. L. capillāris of hair, capillaris herba, the maidenhair.] A syrup or infusion of maidenhair fern (Adiantum capillus Veneris). b. A syrup flavored with orange-flower water. Also Syrup of capillaire.

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1754.  Connoisseur, No. 38. Whatever orgeat or capillaire can inspire.

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1791.  Boswell, Johnson (1831), I. 482. When Mrs. Piozzi first knew him, he used to pour capillaire into his port wine.

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1794.  Martyn, Rousseau’s Bot., xxxii. 491. True Maiden-hair, which is used, or supposed to be so, in the syrup of capillaire.

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1851.  T. Moore, Brit. Ferns (1864), 17. Capillaire … is prepared by pouring boiling syrup over the fronds, and flavouring the infusion with orange flowers.

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