The Collaborative International Dictionary of English v.0.48:
Thirty-second \Thir"ty-sec`ond\, a. Being one of thirty-two equal parts into which anything is divided. [1913 Webster] Thirty-second note (Mus.), the thirty-second part of a whole note; a demi-semiquaver. [1913 Webster]WordNet (r) 3.0 (2006):
thirty-second note n 1: a musical note having the time value of a thirty-second of a whole note [syn: thirty-second note, demisemiquaver]