|
(), n.; pl. Teeth (). [OE. toth,tooth, AS. t; akin to OFries. tth, OS. & D. tand, OHG. zang, zan, G. zahn, Icel. tnn, Sw. & Dan. tand, Goth. tumpus, Lith. dantis, W. dant, L. dens, dentis, Gr. 'odoy°s, 'odo°ntos, Skr. danta; probably originally the p. pr. of the verb to eat. 239. Cf. Eat, Dandelion, Dent the tooth of a wheel, Dental, Dentist, Indent, Tine of a fork, Tusk. ] 1. (Anat.) One of the hard, bony appendages which are borne on the jaws, or on other bones in the walls of the mouth or pharynx of most vertebrates, and which usually aid in the prehension and mastication of food. The hard parts of teeth are principally made up of dentine, or ivory, and a very hard substance called enamel. These are variously combined in different animals. Each tooth consist of three parts, a crown, or body, projecting above the gum, one or more fangs imbedded in the jaw, and the neck, or intermediate part. In some animals one or more of the Tooth (), v. t.[imp. & p. p.Toothed (); p. pr. & vb. n.Toothing.] 1. To furnish with teeth. The twin cards toothed with glittering wire. Wordsworth. 2. To indent; to jag; as, to tooth a saw. 3. To lock into each other. See Tooth, n., 4. Moxon. スポンサード リンク
|