Coach

(20), n. [Fr., Sp., & Pg. coche, It. cocchio, from Lat. conchula, diminutive of concha, muscle-shell, vessel, Gr. κόγχη, muscle, cockle, Skr. çankha; Ger. kutsche, coach, D. koets, coach, bed. Cf. Hung. kocsi, coach; Fr. coche, f., O. Fr. coque, Sp. coca, It. cocca, a small vessel, from Lat. concha: O. H. Ger. cochio, D. kóg, kuag, W. cwch, Armor. koked, Ir. coca, vessel, boat.]

1. A large, close, four-wheeled carriage, having at least two seats within, and capable of holding four persons;—used for purposes of state, for pleasure, and for traveling.
2. A special tutor, who assists in preparing for examinations. [Cant. Cambridge Univ., Eng.] Bristed.
3. (Naut.) An apartment in a large ship of war, near the stern, the roof of which is formed by the poop. [Written also couch.]

The commanders came on board and the council sat in the couch. Pepys. Hackney-coach, a coach kept for hire.—Mail-coach, a coach that carries the public mails.—Stage-coach, a coach that regularly conveys passengers from town to town. See STAGE.