barbule

== English == === Etymology === Borrowed from Latin barbula (“little beard”). === Noun === barbule (plural barbules) (botany) A small barb or beard. (ornithology) Any of the secondary barbs that form a fringe of small projections on a feather. ==== Derived terms ==== == French == === Etymology === Borrowed from Latin barbula (“little beard”). === Noun === barbule f (plural barbules) barbule (or any similar form) === Further reading === “barbule”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012