铁丝

鐵絲
tiěsī
  1. iron wire
  2. subway enthusiast (abbr. for 地铁粉丝 dìtiěfěnsī)
  3. railway enthusiast (abbr. for 铁路粉丝 tiělùfěnsī)

classifier: 根

CEDICT

Entry Composition

1 铁 tiě
  1. iron (metal)
  2. arms
  3. weapons
  4. hard
  5. strong
  6. violent
  7. unshakeable
  8. determined
  9. close
  10. tight (slang)
2 丝 sī
  1. silk
  2. thread-like thing; (cuisine) shreds or julienne strips
  3. classifier: a trace (of smoke etc), a tiny bit etc