WordWeb Online

1. Something that acts like a tentacle in its ability to grasp and hold
   "caught in the tentacles of organized crime"
    
2. Any of various elongated tactile or prehensile flexible organs that occur on the head or near the mouth in many animals; used for feeling or grasping or locomotion

Derived forms: tentacles

See also: tentacled, tentacular

Type of: appendage, grasp, grip, outgrowth, process

Encyclopedia: Tentacle