尾部

wěibù
back part; rear section; tail section

CEDICT

back part, rear/tail section

Wiktionary

Entry Composition

1 尾 wěi
  1. tail
  2. remainder
  3. remnant
  4. extremity
  5. sixth of the 28 constellations
  6. classifier for fish
2 部 bù
  1. ministry
  2. department
  3. section
  4. part
  5. division
  6. troops
  7. board
  8. classifier for works of literature, films, machines etc