'Basset horn' definitions:

Definition of 'basset horn'

From: WordNet
noun
A tenor clarinet; pitched in the key of F below the B-flat clarinet

Definition of 'Basset horn'

From: GCIDE
  • Basset horn \Bas"set horn`\ (b[a^]s"s[e^]t h[^o]rn`). [See Basset, a.] (Mus.) An instrument blown with a reed, and resembling a clarinet, but of much greater compass, embracing nearly four octaves; The corno di bassetto. [1913 Webster]

Definition of 'basset horn'

From: GCIDE
  • Corno di bassetto \Cor"no di bas*set"to\ (k?r"n? d? b?s-s?t"t? or b?s-s?t"t?); pl. Corni di basseto. [It.] (Mus.) A tenor clarinet; -- called also basset horn, and sometimes confounded with the English horn, which is a tenor oboe. [1913 Webster]