[tes.si.tu.ra] n [It, lit., texture, fr. L textura] (ca. 1891): the general range of a melody or voice part; specif: the part of the register in which most of the tones of a melody or voice part lie
TESSITURA
Meaning of TESSITURA in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012