- [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 触角；触手；触须 
- tentacles[plural] (usually disapproving)
the influence that a large place, organization or system has and that is hard to avoid （大的地方、组织或系统难以避免的）影响，束缚，约束
Word Originmid 18th cent.: anglicized from modern Latin tentaculum, from Latin tentare, temptare ‘to feel, try’.