rattail

Short definition from Wiktionary

Noun

1. 1
   Any of the large dark-colored deep-sea fish of the Macrouridae family of ray-finned fish.
2. 2
   A fish, a California chimera (Hydrolagus colliei, syn. Chimaera colliei).
3. 3
   A hairstyle characterized by a long lock of tail-like hair dangling from the back of the head; the dangling lock itself.
4. 4
   A type of file (cutting tool) with a round cross section and usually also a taper toward the distal end.
5. 5
   A towel that has been tightly twisted along the diagonal to make a rudimentary whip with a towel corner at the tip, typically used in juvenile pranks.
6. 6
   An excrescence growing from the pastern to the middle of the shank of a horse.
7. 7
   The flowering plant Stachytarpheta cayennensis.