n. [ Cf. F. improvisation. ] 1. The act or art of composing and rendering music, poetry, and the like, extemporaneously; as, improvisation on the organ. [ 1913 Webster ]
2. That which is improvised; an impromptu. [ 1913 Webster ]
Thai-English: NECTEC'sLexitron-2 Dictionary [with local updates]NECTEC Lexitron-2 Dictionary (TH-EN)