1[countable]a long thin part of the body of some creatures, such as squid, used for feeling or holding things, for moving or for getting food: (figurative) Tentacles of fear closed around her body.2tentacles[plural] (usually disapproving) the influence that a large place, organization or system has and that is hard to avoidThe tentacles of satellite television are spreading even wider.
ˈtentəkl
ˈtentəkl