noun. same as centerpiece.

noun. An ornament to be placed in the centre, as of a table, ceiling, etc.

noun. A central article or figure.

noun. something placed at the center of something else (as on a table)

noun. the central or most important feature

"I hear the centrepiece is a Texan writer who will descend and will be recognised instantly as the messiah in baby form, with a little cherub’s wings and pink lipstick."

characteristic  feature  

5th  crown-piece  easy-chair  glass-case  lamp-post  

centerpiece  

centerpiece