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.
an elongate sensory process, usually on the head.
an elongate, flexible extension surrounding the mouth or oral cavity of cnidarians, cephalopods, and echinoderms, used for feeling, grasping, or locomotion.
tent-ak-al i) A long slender flexible appendage of an (esp. invertebrate) animal, used for feeling, grasping, or moving, ii) a thing used like a tentacle as a feeler etc.
something that acts like a tentacle in its ability to grasp; "caught in the tentacles of organized crime"
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
a limb, member or organ of certain Cephalopods including the squid, the cuttlefish and the Nautilus, with the latter only recommended for the constitutionally strong, in terms of engaging in this intimate swallowing activity
A slender flexible feeler that enables an animal with no backbone to touch things.
One of a pair of long, thin, flexible structures that giant squid use to feel and to grab food.
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.