a. [ Gr. 'archai^os ancient + sto`ma mouth. ] (Biol.) Applied to a gastrula when the blastopore does not entirely close up. [ 1913 Webster ]

{ } a. [ Gr. 'a priv. + &unr_;, &unr_;, mouth. ] Not possessing a mouth. [ 1913 Webster ]

n.; pl. L. Automata E. Automatons [ L. fr. Gr. &unr_;, neut. of &unr_; self-moving; &unr_; self + a root ma, man, to strive, think, cf. &unr_; to strive. See Mean, v. i. ] 1. Any thing or being regarded as having the power of spontaneous motion or action. Huxley. [ 1913 Webster ]

So great and admirable an automaton as the world. Boyle. [ 1913 Webster ]

These living automata, human bodies. Boyle. [ 1913 Webster ]

2. A self-moving machine, or one which has its motive power within itself; -- applied chiefly to machines which appear to imitate spontaneously the motions of living beings, such as men, birds, etc. [ 1913 Webster ]

a. [ L. automatus, Gr. &unr_;. See Automaton. ] Automatic. [ Obs. ] “Automatous organs.” Sir T. Browne. [ 1913 Webster ]

a. (Zool.) Of or pertaining to the Chilostoma. [ 1913 Webster ]

n. [ LL. ] An epitomist. Sir W. Hamilton. [ 1913 Webster ]

a. (Zool.) Having an entire aperture; -- said of many univalve shells. [ 1913 Webster ]

a. [ Odonto- + Gr. &unr_;, &unr_;, the mouth. ] (Zool.) Having toothlike mandibles; -- applied to certain insects. [ 1913 Webster ]

a. (Zool.) Same as Plagiostomous. [ 1913 Webster ]

a. (Zool.) (a) Having the front edge of the aperture of the shell prolonged in the shape of a channel for the protection of the siphon; -- said of certain gastropods. (b) Pertaining to the Siphonostomata. [ 1913 Webster ]

a. [ Cf. F. stéatomateux. ] (Med.) Of the nature of a steatoma. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_;, &unr_;, mouth. ] (Zool.) A division of Protozoa in which a mouthlike opening exists. [ 1913 Webster ]

‖n. (Anat.) Same as Stomodaeum. [ 1913 Webster ]

a. (Zool.) Having a mouth; -- applied to certain Protozoa. -- n. One of the Stomatoda. [ 1913 Webster ]

a. [ Gr. &unr_;, &unr_;, mouth + E. gastric. ] Of or pertaining to the mouth and the stomach; as, the stomatogastric ganglion of certain Mollusca. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, mouth + -logy. ] (Med.) Scientific study or knowledge of the mouth. [ Webster 1913 Suppl. ]

a. [ Gr. &unr_;, &unr_;, mouth + -plastic. ] (Med.) Of or pertaining to the operation of forming a mouth where the aperture has been contracted, or in any way deformed. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, mouth + -plasty. ] Plastic surgery of the mouth. [ Webster 1913 Suppl. ]

n. (Zool.) One of the Stomatopoda. [ 1913 Webster ]

‖n. pl. [ NL. See Stoma, and -pod. ] (Zool.) Same as Stomapoda. [ 1913 Webster ]

a. (Zool.) Of or pertaining to the Stomatopoda. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, mouth + -scope. ] (Med.) An apparatus for examining the interior of the mouth. [ 1913 Webster ]

a. Having a stoma. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, symptom + -logy: cf. F. symptomatologie. ] (Med.) The doctrine of symptoms; that part of the science of medicine which treats of the symptoms of diseases; semeiology. [ 1913 Webster ]

☞ It includes diagnosis, or the determination of the disease from its symptoms; and prognosis, or the determination of its probable course and event. [ 1913 Webster ]

n.; pl. Tomatoes [ Sp. or Pg. tomate, of American Indian origin; cf. Mexican tomail. ] (Bot.) The fruit of a plant of the Nightshade family (Lycopersicum esculentun); also, the plant itself. The fruit, which is called also love apple, is usually of a rounded, flattened form, but often irregular in shape. It is of a bright red or yellow color, and is eaten either cooked or uncooked. [ 1913 Webster ]

Tomato gall (Zool.), a large gall consisting of a mass of irregular swellings on the stems and leaves of grapevines. They are yellowish green, somewhat tinged with red, and produced by the larva of a small two-winged fly (Lasioptera vitis). --
Tomato sphinx (Zool.), the adult or imago of the tomato worm. It closely resembles the tobacco hawk moth. Called also tomato hawk moth. See Illust. of Hawk moth. --
Tomato worm (Zool.), the larva of a large hawk moth (Manduca quinquemaculata, Protoparce quinquemaculata, Sphinx quinquemaculata, or Macrosila quinquemaculata) which feeds upon the leaves of the tomato and potato plants, often doing considerable damage. Called also tomato hornworm and potato worm, and in the Southern U. S. tobacco fly. [ 1913 Webster +PJC ]