'Counter-tenor clef' definitions:

Definition of 'Counter-tenor clef'

From: GCIDE
  • Counter tenor \Coun"ter ten`or\ (t?n`?r). [OF. contreteneur. Cf. Contratenor, and see Tenor a part in music.] (Mus.) One of the middle parts in music, between the tenor and the treble; high tenor. [1913 Webster]
  • Counter-tenor clef (Mus.), the C clef when placed on the third line; -- also called alto clef. [1913 Webster]