Mas·tiff n.; pl. Mastiffs [Mastives is irregular and unusual.]  Zool. A breed of large dogs noted for strength and courage.  There are various strains, differing in form and color, and characteristic of different countries.
 Mastiff bat Zool. , any bat of the genus Molossus; so called because the face somewhat resembles that of a mastiff.

 ◄ ►


 mastiff bat
      n : a soft-furred chocolate-brown bat with folded ears and small
          wings; often runs along the ground