Source : Webster's Revised Unabridged Dictionary (1913)

Eruct \E*ruct"\, Eructate \E*ruc"tate\, v. t. [L. eructare; e
   out + ructare to belch: cf. F. ['e]ructer.]
   To eject, as wind, from the stomach; to belch. [R.] --Howell.

Source : WordNet®

eruct
     v 1: eject or send out in large quantities, also metaphorical;
          "the volcano spews out molten rocks every day"; "The
          editors of the paper spew out hostile articles about the
          Presidential candidate" [syn: {spew}, {spew out}]
     2: expel gas from the stomach; "In China it is polite to burp
        at the table" [syn: {burp}, {bubble}, {belch}]