Biol. Oftener in Lat. form codonostoma. [f. Gr. κώδων bell + στόμα mouth.] ‘The bell-shaped aperture of the disc of a medusa … or the mouth of a medusiform gonophore’ (Syd. Soc. Lex.).
1870. Nicholson, Zool., 85. The term ‘codonostoma’ has been proposed to designate the open mouth of the bell.
