swine \swine\, n. sing.  pl. oe. swin, as. swimacn; akin to
   ofries.  os. swin, d. zwijn, g. schwein, ohg. swimacn,
   icel. svimacn, sw. svin, dan. sviin, goth. swein;
   originally a diminutive corresponding to e. sow. see sow,
   n. zool.
   any animal of the hog kind, especially one of the domestical
   species. swine secrete a large amount of subcutaneous fat,
   which, when extracted, is known as lard. the male is
   specifically called boar, the female, sow, and the young,
   pig. see hog. "a great herd of swine." --mark v. 11.
   1913 webster

   swine grass bot., knotgrass polygonum aviculare; --
      so called because eaten by swine.

   swine oat bot., a kind of oat sometimes grown for swine.
      

   swine's cress bot., a species of cress of the genus
      senebiera senebiera coronopus.

   swine's head, a dolt; a blockhead. obs. --chaucer.

   swine thistle bot., the sow thistle.
      1913 webster
see also:
sow hog swine grass polygonum aviculare swine oat swine's cress 
senebiera senebiera coronopus swine's head swine thistle