The Collaborative International Dictionary of English v.0.48:
Degust \De*gust"\, v. t. [L. degustare: cf. F. d['e]guster. See Gust to taste.] To taste. [Obs.] --Cockeram. [1913 Webster]WordNet (r) 3.0 (2006):
degust v 1: taste with relish; "degust this wonderful soup"