Trachelidan :: Trachelidan (n.) Any one of a tribe of beetles (Trachelides) which have the head supported on a pedicel. The oil beetles and the Cantharides are examples.
Trachelipoda :: Trachelipoda (n.pl.) An extensive artificial group of gastropods comprising all those which have a spiral shell and the foot attached to the base of the neck.
Trachelipodous :: Trachelipodous (a.) Having the foot united with the neck; of or pertainingto the Trachelipoda.
Trachelobranchiate :: Trachelobranchiate (a.) Having the gills situated upon the neck; -- said of certain mollusks.
Trachelorrhaphy :: Trachelorrhaphy (n.) The operation of sewing up a laceration of the neck of the uterus.
Trachenchyma :: Trachenchyma (n.) A vegetable tissue consisting of tracheae.
Tracheobranchia :: Tracheobranchia (n.) One of the gill-like breathing organs of certain aquatic insect larvae. They contain tracheal tubes somewhat similar to those of other insects.
Tracheobronchial :: Tracheobronchial (a.) Pertaining both to the tracheal and bronchial tubes, or to their junction; -- said of the syrinx of certain birds..
Trachymedusae :: Trachymedusae (n. pl.) A division of acalephs in which the development is direct from the eggs, without a hydroid stage. Some of the species are parasitic on other medusae..
Trachystomata :: Trachystomata (n. pl.) An order of tailed aquatic amphibians, including Siren and Pseudobranchus. They have anterior legs only, are eel-like in form, and have no teeth except a small patch on the palate. The external gills are persistent through life..
Trachyte :: Trachyte (n.) An igneous rock, usually light gray in color and breaking with a rough surface. It consists chiefly of orthoclase feldspar with sometimes hornblende and mica..
Trachytic :: Trachytic (a.) Of, pertaining to, or resembling, trachyte..
Trachytoid :: Trachytoid (a.) Resembling trachyte; -- used to define the structure of certain rocks.