Source : Webster's Revised Unabridged Dictionary (1913)

Carminative \Car*min"ative\, a. [NL. carminativus (1622), fr.
   carminare to card, hence to cleanse, fr. carmen a card for
   freeing wool or flax from the coarser parts, and from
   extraneous matter: cf. F. carminatif.]
   Expelling wind from the body; warming; antispasmodic.
   ``Carminative hot seeds.'' --Dunglison.

Carminative \Car*min"a*tive\, n.
   A substance, esp. an aromatic, which tends to expel wind from
   the alimentary canal, or to relieve colic, griping, or
   flatulence.

Source : WordNet®

carminative
     adj : relieving gas in the alimentary tract (colic or flatulence
           or griping) [syn: {flatus-relieving}]
     n : medication that prevents the formation of gas in the
         alimentary tract or eases its passing