Etiquette, et-i-ket′, n. forms of ceremony or decorum: ceremony: the unwritten laws of courtesy observed between members of the same profession, as 'medical etiquette.' [Fr. See Ticket.]

Etna, et′na, n. a vessel for heating water, &c., at table or in the sick-room, in a cup placed in a saucer is which alcohol is burned.—adj. Ætnē′an. [From the volcano, Mount Ætna.]

Etonian, et-ōn′i-an, n. and adj. one educated at Eton College.—Eton jacket, a boy's dress-coat, untailed.

Etrurian, et-rū′ri-an, adj. and n. of or belonging to Etruria.—adj. and n. Etrus′can, of or belonging to ancient Etruria or its people, language, art, &c.—sometimes jocularly put for Tuscan.

Ettle, et′l, v.t. (Scot.) to purpose, intend.—v.t. to guess.—n. purpose, intent. [Ice., ætla, to think, from root of Goth. aha, understanding.]

Étude, ā-tüd′, n. (mus.) a composition intended either to train or to test the player's technical skill. [Fr.]

Etui, Etwee, et-wē′, n. a small case for holding valuables. [Fr.]

Etymology, et-i-mol′o-ji, n. the investigation of the derivation and original signification of words: the science that treats of the origin and history of words: the part of grammar relating to inflection.—adjs. Etym′ic; Etymolog′ical.—adv. Etymolog′ically.—ns. Etymolog′icon, -cum, an etymological dictionary.—v.t. Etymol′ogise, to give, or search into, the etymology of a word.—ns. Etymol′ogist, one skilled in or who writes on etymology; Et′ymon, the origin of a word: an original root: the genuine or literal sense of a word. [O. Fr.,—L.,—Gr. etymos, true, logia, an account.]

Etypic, -al, ē-tip′ik, -al, adj. unconformable to type.

Eucalyptus, ū-kal-ip′tus, n. the 'gum-tree,' a large Australian evergreen, beneficial in destroying the miasma of malarious districts.—ns. Eu′calypt, a eucalyptus; Eucalyp′tol, a volatile, colourless, limpid oil. [Coined from Gr. eu, well, kalyptos, covered—kalyptein, to cover.]