1) High 2) High-pitched 3) Italian musical term 4) Musical term in Rome 5) Musical term to an Italian 6) Very high 7) Very high, musically 8) Very high but in Italian 9) Very high but Italian 10) Very high in Italian 
Altissimo (Italian for very high) is the uppermost register on woodwind instruments. For clarinets, which overblow on odd harmonics, the altissimo notes are those based on the fifth, seventh, and higher harmonics. For other woodwinds, the altissimo notes are those based on the third, fourth, and higher harmonics. The altissimo register is also kno...
very high
very high
• (n.) The part or notes situated above F in alt.
very high
Al·tis'si·mo noun [ Italian ; superl. of alto .] (Mus.) The part or notes situated above F in alt. 
In music, altissimo describes the part or notes situated above F in alt.
very high
[adj] - very high
adjective very high