Main Entry: sat·el·lite

Pronunciation: \ˈsat-^əl-ˌīt\

Function: noun

1 : a short segment separated from the main body of a chromosome by a constriction—called also trabant
2 : the secondary or later member of a chain of gregarines
3 : a bodily structure lying near or associated with another (as a vein accompanying an artery)
4 : a smaller lesion accompanying a main one and situated nearby
5 : a spectral line of low intensity having a frequency close to that of another stronger line to which it is closely related (as by having a common energy level)

—satellite adjective