Definition of litre: A metric unit of capacity, formerly defined as the volume of one kilogram of water under standard conditions, now equal to 1,000 cubic centimetres (about 1.75 pints): 5 cc is about 5 ml. For details see wWkipedia: Litre and Metre. Views.
The thorax is the midsection of the insect body. It holds the head, legs, wings and abdomen. It is also called mesosoma in other arthropods. It is formed by the prothorax, mesothorax and metathorax and comprises the scutellum; the cervix, a membrane that separates the head from the thorax; and the pleuron, a lateral sclerite of the thorax.
2. thorax-the part of the human torso between the neck and the diaphragm or the corresponding part in other vertebrates. chest, pectus. craniate, vertebrate-animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium.he thorax includes the rib cage, which encloses the heart and lungs. In humans and other mammals, the thorax lies above the abdomen. 2. The middle division of the body of an insect, to which the wings and legs are attached.