Définitions
1.NounA specialized, structured, grouping of functionally related segments, or analogous subunits, into units such as the head, the thorax, and the abdomen, particularly in various Arthropoda and Vertebrata.
2.NounA specialized, structured, grouping of functionally related molecules, forming the basis the physiology and structure of larger units such as cells and tissues.
3.NounA military unit of battalion or regiment size, in the Byzantine empire of the 8th–11th centuries.