- costule
- (ko-stu-l') s. f.Terme de zoologie. Petite côte.Stries qui se voient à la surface de certaines coquilles.Diminutif de costa, côte.
Dictionnaire de la Langue Française d'Émile Littré. d'Émile Littré. 1872-1877.
Dictionnaire de la Langue Française d'Émile Littré. d'Émile Littré. 1872-1877.
costule — a short, vertical ridge on the inner and/or outer tooth crown base in Chondrichthyes … Dictionary of ichthyology
costule — cos·tule … English syllables
costule — noun see costula … Useful english dictionary
Frond — A frond is a large leaf with many divisions to it, and the term is typically used for the leaves of palms, ferns or cycads. [ [http://www.m w.com/dictionary/Frond] Merriam Webster s Online Dictionary ] A frond is the leaf like structure of a fern … Wikipedia
Dryopteris macropholis — Scientific classification Kingdom: Plantae … Wikipedia