acontia

التعريفات والمعاني

== English == === Alternative forms === acontium === Etymology === From the plural of New Latin acontium, from Ancient Greek ἀκόντιον (akóntion, “little dart”). === Noun === acontia (plural acontias) (zoology) Threadlike defensive organs, composed largely of nettling cells (cnidae), thrown out of the mouth or special pores of certain Actiniae when irritated. ==== Derived terms ====