步足

bùzú
ambulatory leg (of a crab, lobster, spider etc)

CEDICT

Entry Composition

1 步 bù
  1. a step
  2. a pace
  3. walk
  4. march
  5. stages in a process
  6. situation
2 足 zú
  1. (bound form) foot; leg
  2. sufficient; ample
  3. as much as; fully