centerpiece

noun2

1. •
   An ornament to be placed in the centre, as of a table, ceiling, etc.
2. •
   A central article or figure.

   • Below is the deep abyss of the Lauterbrunnen valley, and at its head a stately semi-circle of mountains, with the pyramidal Lauterbrunnen Breithorn as the centre-piece. — 1960