骰骨

tóugǔ
  1. (bone) cuboid bone
  2. cuboid bone

Wiktionary

Entry Composition

1 骰 tóu dice
=2 骨 gū
  1. used in 骨碌碌 gūlùlù
  2. used in 骨碌 gūlu
  3. used in 骨朵 gūduo
=2 骨 gǔ bone