Source : Webster's Revised Unabridged Dictionary (1913)

Chew \Chew\ (ch[udd]), v. t. [imp. & p. p. {Chewed} (ch[udd]d);
   p. pr. & vb. n. {Chewing}.] [As ce['o]wan, akin to D. kauwen,
   G. kauen. Cf. {Chaw}, {Jaw}.]
   1. To bite and grind with the teeth; to masticate.

   2. To ruminate mentally; to meditate on.

            He chews revenge, abjuring his offense. --Prior.

   {To chew the cud}, to chew the food ocer again, as a cow; to
      ruminate; hence, to meditate.

            Every beast the parteth the hoof, and cleaveth the
            cleft into two claws, and cheweth the cud among the
            beasts, that ye shall eat.            --Deut. xxiv.
                                                  6.

Cud \Cud\ (k[u^]d), n. [AS. cudu, cwudu,cwidu,cweodo, of
   uncertain origin; cf, G. k["o]der bait, Icel. kvi[eth]r womb,
   Goth. qi[thorn]us. Cf. {Quid}.]
   1. That portion of food which is brought up into the mouth by
      ruminating animals from their first stomach, to be chewed
      a second time.

            Whatsoever parteth the hoof, and is cloven-footed,
            and cheweth the cud, among the beasts, that shall ye
            eat.                                  --Levit. xi. 3

   2. A portion of tobacco held in the mouth and chewed; a quid.
      [Low]

   3. The first stomach of ruminating beasts. --Crabb.

   {To chew the cud}, to ruminate; to meditate; used with of;
      as, to chew the cud of bitter memories.

            Chewed the thrice turned cud of wrath. --Tennyson.