trionyx

[Pref. tri-, and Greek onyx (gen it. onychos )=a nail, a claw.] 1. Zoology : The type-genus of Trio nyc hide, with seventeen species, having the range of the family. Among the best known are Trionyx ferox , the Soft shelled Tortoise, from the United States and Central America; T. javanicus , the Javanese, and T. gang etic us , the Gangetic Trionyx; and T. niloticus , the Nilotic Trionyx, which attains a length of three feet, and is of great use in keeping down the number of crocodiles by devouring their eggs and young. 2. Palæont.: Several species are known, from the Eocene onward. tri-o-pa, s . [Gr. triopis an ear-ring or brooch with three drops.] Zoology : A genus of Doride, with three species, from Norway and Britain, ranging from low-water to twenty fathoms. 4190 tri-or, s. [Eng. try; -or.] Eng. Law: A person appointed by a court to examine whether a challenge to a panel of jurors, or to a juror, is just. bone.]