The Collaborative International Dictionary of English v.0.48:

Cattle \Cat"tle\ (k[a^]t"t'l), n. pl. [OE. calet, chatel, goods,
   property, OF. catel, chatel, LL. captale, capitale, goods,
   property, esp. cattle, fr. L. capitals relating to the head,
   chief; because in early ages beasts constituted the chief
   part of a man's property. See Capital, and cf. Chattel.]
   Quadrupeds of the Bovine family; sometimes, also, including
   all domestic quadrupeds, as sheep, goats, horses, mules,
   asses, and swine.
   [1913 Webster]

   Belted cattle, Black cattle. See under Belted, Black.


   Cattle guard, a trench under a railroad track and alongside
      a crossing (as of a public highway). It is intended to
      prevent cattle from getting upon the track.

   cattle louse (Zool.), any species of louse infecting
      cattle. There are several species. The H[ae]matatopinus
      eurysternus and H[ae]matatopinus vituli are common
      species which suck blood; Trichodectes scalaris eats the
      hair.

   Cattle plague, the rinderpest; called also Russian cattle
      plague.

   Cattle range, or Cattle run, an open space through which
      cattle may run or range. [U. S.] --Bartlett.

   Cattle show, an exhibition of domestic animals with prizes
      for the encouragement of stock breeding; -- usually
      accompanied with the exhibition of other agricultural and
      domestic products and of implements.
      [1913 Webster]

WordNet (r) 3.0 (2006):

cattle guard
    n 1: a bridge over a ditch consisting of parallel metal bars
         that allow pedestrians and vehicles to pass, but not cattle
         [syn: cattle guard, cattle grid]