a. 1. having ability to to suppress or relieve coughing; -- of chemical substances. [ WordNet 1.5 +PJC ]

n. 1. a medicament used to suppress or relieve coughing; an antitussive substance. Codeine is one such commonly used antitussive. [ WordNet 1.5 +PJC ]

a. [ See Intussusception. ] Received into some other thing or part, as a sword into a sheath; invaginated. [ 1913 Webster ]

n. [ L. intus within + susception. Cf. Introsusception. ] [ 1913 Webster ]

1. The reception of one part within another. [ 1913 Webster ]

2. (Med.) The abnormal reception or slipping of a part of a tube, by inversion and descent, within a contiguous part of it; specifically, the reception or slipping of the upper part of the small intestine into the lower; introsusception; invagination. Dunglison. [ 1913 Webster ]

3. (Bot.) The interposition of new particles of formative material among those already existing, as in a cell wall, or in a starch grain. [ 1913 Webster ]

4. (Physiol.) The act of taking foreign matter, as food, into a living body; the process of nutrition, by which dead matter is absorbed by the living organism, and ultimately converted into the organized substance of its various tissues and organs. [ 1913 Webster ]

Dead bodies increase by apposition; living bodies by intussusception. McKendrick. [ 1913 Webster ]

‖n. [ NL., fr. L. per through, very + tussis cough. ] (Med.) The whooping cough. [ 1913 Webster ]

Tussock grass. [ 1913 Webster ]

[ Probably fr. Hind. tasar a shuttle, Skr. tasara, trasara. ] (a) A silk cloth made from the cocoons of a caterpillar other than the common silkworm, much used in Bengal and China. (b) The silk fiber itself. [ Written also tusseh silk. ] [ 1913 Webster ]

a. [ L. tussis cough. ] (Med.) Pertaining to, or manifested by, cough. [ Webster 1913 Suppl. ]

{ } n. [ Also tussa, tussar, tusser, tussur, etc. ] [ Prob. fr. Hind. tasar a shuttle, Skr. tasara, trasara. ] An undomesticated East Indian silkworn (Antheraea mylitta), that feeds on the leaves of the oak and other plants. [ Webster 1913 Suppl. ]

a. [ L. tussicularis, fr. tussicula, dim. of tussis a cough. ] Of or pertaining to a cough. Dunglison. [ 1913 Webster ]

‖n. [ L. ] (Med.) A cough. [ Webster 1913 Suppl. ]

a. (Med.) Pertaining to a cough; caused by coughing. [ Webster 1913 Suppl. ]

v. i. & t. [ See Tousle. ] To struggle, as in sport; to scuffle; to struggle with. [ Colloq. ] [ 1913 Webster ]

n. A struggle; a scuffle. [ Colloq. ] [ 1913 Webster ]

n. [ From Tuz. ] [ Written also tussuck. ] 1. A tuft, as of grass, twigs, hair, or the like; especially, a dense tuft or bunch of grass or sedge. [ 1913 Webster ]

Such laying of the hair in tussocks and tufts. Latimer. [ 1913 Webster ]

2. (Bot.) Same as Tussock grass, below. [ 1913 Webster ]

3. (Zool.) A caterpillar of any one of numerous species of bombycid moths. The body of these caterpillars is covered with hairs which form long tufts or brushes. Some species are very injurious to shade and fruit trees. Called also tussock caterpillar. See Orgyia. [ 1913 Webster ]

Tussock grass. (Bot.) (a) A tall, strong grass of the genus Dactylis (Dactylis caespitosa), valuable for fodder, introduced into Scotland from the Falkland Islands. (b) A tufted grass (Aira caespitosa). (c) Any kind of sedge (Carex) which forms dense tufts in a wet meadow or boggy place. --
Tussock moth (Zool.), the imago of any tussock caterpillar. They belong to Orgyia, Halecidota, and allied genera. [ 1913 Webster ]

a. Having the form of tussocks; full of, or covered with, tussocks, or tufts. [ 1913 Webster ]

n. See Tussock. Grew. [ 1913 Webster ]