| Leaflet 1. (n.) A little leaf; also, a little printed leaf or a tract. 2. (n.) One of the divisions of a compound leaf; a foliole. 3. (n.) A leaflike organ or part; as, a leaflet of the gills of fishes. Thesaurus Entries advert, advertisement, bill, blade, booklet, bract, bracteole, bractlet, brochure, chapbook, circular, comic book, cotyledon, flag, flier, floral leaf, flyer, folder, foliole, frond, glume, handbill, involucre, involucrum, lamina, leaf, lemma, ligule, needle, pamphlet, petal, pile, pine needle, seed leaf, sepal, spathe, spear, spire, stipula, stipule, tract |