thoracic vertebrae

/TH AO0 R AE1 S IH0 K V ER0 T AH0 B R EY0/
noun
  1. 1

    Any of the twelve vertebrae in the chest region of the spine.

Source: https://en.wiktionary.org/wiki/thoracic%20vertebra, https://en.wiktionary.org/wiki/thoracic%20vertebrae