barbel \bar"bel\ baumr"be^l, n.of. barbel, f. barbeau,
   dim. of l. barbus barbel, fr. barba beard. see 1st barb.
   1913 webster
   1. zool. a slender tactile organ on the lips of certain
      fishes.
      1913 webster

   2. zool. a large fresh-water fish barbus vulgaris found
      in many european rivers. its upper jaw is furnished with
      four barbels.
      1913 webster

   3. pl. barbs or paps under the tongues of horses and cattle.
      see 1st barb, 3.
      1913 webster
see also:
barb barbus vulgaris