thoracic

adjective
1
connected with a person's thorax(= the part of the body that is surrounded by the ribs, between the neck and the waist)
قفسه سینه‌ای, سینه‌ای, صدری
2
connected with an insect's thorax(= the middle section of its body, to which the legs and wings are attached)
بخش میانی حشرات
Each of the three thoracic segments bears a pair of legs.