An elongated, boneless, flexible organ or limb of some animals, such as the octopus and squid
Surmounting this head were four slender grey stalks bearing flower-like appendages, whilst from its nether side dangled eight greenish antennae or tentacles.
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
disapproval If you talk about the tentacles of a political, commercial, or social organization, you are referring to the power and influence that it has in the outside community. Free speech is being gradually eroded year after year by new tentacles of government control
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