[1] : The Collaborative International Dictionary of English v.0.48

quintet \quintet"\, quintette \quintette"\, n. it. quintetto,
   dim. of quinto the fifth, a fifth part, from l. quintus the
   fifth: cf. f. quintette. see quint. mus.
   a composition for five voices or instruments; also, the set
   of five persons who sing or play five-part music.
   1913 webster
see also:
quint 

[2] : WordNet (r) 2.0

quintette
     n 1: five performers or singers who perform together syn: quintet
     2: a set of five similar things considered as a unit syn: quintet
     3: five people considered as a unit syn: quintet, fivesome
     4: a musical composition for five performers syn: quintet
see also:
quintet fivesome 

Quintette >> Q Words
Quintette, definition of term: Quintette
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