main belt

/M EY1 N B EH0 L T/
noun
  1. 1

    (astronomy) Synonym of asteroid belt; the main asteroid belt in the Solar System located roughly between the orbits of the planets Mars and Jupiter.

  2. 2

    (nautical, military) The primary belt of armor protecting the sides of a warship above and slightly below the waterline.

  3. 3

    Alternative letter-case form of main belt. [(astronomy) Synonym of asteroid belt; the main asteroid belt in the Solar System located roughly between the orbits of the planets Mars and Jupiter.]