tentacle

n. flexible appendage functioning as an organ of touch motion or prehension

Tentacles can refer to the elongated flexible organs that are present in some animals, especially invertebrates, and sometimes to the hairs of the leaves of some insectivorous plants. Usually, they are used for feeding, feeling and grasping. Anatomically, they work like other muscular hydrostats.
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Noun
1. something that acts like a tentacle in its ability to grasp; "caught in the tentacles of organized crime"
(hypernym) grip, grasp
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
(hypernym) process, outgrowth, appendage
(hyponym) antenna, feeler

(n.)
A more or less elongated process or organ, simple or branched, proceeding from the head or cephalic region of invertebrate animals, being either an organ of sense, prehension, or motion.
  

n.
محس, لامس, گيرہ, شاخک, ريشہ, حاسد