The area of the Solar System that comprises certain objects that are relatively close to the Sun, including Mercury, Venus, Earth and Mars, while not including the other planets.

Comic; comedic.

An Algerian cavalryman in the French army. / A feudal cavalryman in the Ottoman Turkish army.

An insignia or some other distinguishing symbol. / The Greek letter digamma. / The digamma, koppa, or sampi as a Greek numeral sign.