Capillaire, a medicinal syrup, used as a pectoral in chronic catarrhs, formerly prepared by adding sugar and orange-flower water to an infusion of the maidenhair fern, now more generally applied to any flavoured syrup.
Capillaire
Chambers's Encyclopaedia, Volume 2: Beaugency to Cataract, p. 740
Source scan(s): p. 0757