The Collaborative International Dictionary of English v.0.48:

English \Eng"lish\, a. [AS. Englisc, fr. Engle, Angle, Engles,
   Angles, a tribe of Germans from the southeast of Sleswick, in
   Denmark, who settled in Britain and gave it the name of
   England. Cf. Anglican.]
   Of or pertaining to England, or to its inhabitants, or to the
   present so-called Anglo-Saxon race.
   [1913 Webster]

   English bond (Arch.) See 1st Bond, n., 8.

   English breakfast tea. See Congou.

   English horn. (Mus.) See Corno Inglese.

   English walnut. (Bot.) See under Walnut.
      [1913 Webster]

WordNet (r) 3.0 (2006):

English horn
    n 1: a double-reed woodwind instrument similar to an oboe but
         lower in pitch [syn: English horn, cor anglais]

Moby Thesaurus II by Grady Ward, 1.0:

105 Moby Thesaurus words for "English horn":
   Pandean pipe, aulos, basset horn, basset oboe, bassoon,
   block flute, bombard, bourdon, cello, claribel, clarinet, clarion,
   concert flute, contrabassoon, contrafagotto, cornet, cornopean,
   cromorna, cromorne, cymbel, diapason, double bassoon, double reed,
   dulciana, fife, fipple flute, flageolet, flute, flute stop,
   foundation stop, fourniture, gamba, gedeckt, gemshorn,
   harmonic flute, hautboy, heckelphone, hornpipe, hybrid stop,
   koppel flute, larigot, licorice stick, melodia, mixture, musette,
   mutation stop, nazard, oaten reed, oboe, oboe da caccia, ocarina,
   octave, organ stop, panpipe, penny-whistle, piccolo, pipe,
   plein jeu, pommer, posaune, principal, quint, quintaten, rank,
   ranket, recorder, reed, reed instrument, reed stop, register,
   rohr flute, sax, saxophone, sesquialtera, shawm, single reed,
   single-reed instrument, sonorophone, spitz flute, stop,
   stopped diapason, stopped flute, string diapason, string stop,
   sweet potato, syrinx, tabor pipe, tenoroon, tierce, tin-whistle,
   tremolo, trombone, trumpet, twelfth, unda maris, vibrato, viola,
   voix celeste, vox angelica, vox humana, whistle, woods, woodwind,
   woodwind choir, woodwind instrument