Definition of semidome in English:

semidome

noun

Architecture
  • A half-dome formed by vertical section.

    • ‘A semicylindrical wall section having a diameter matching the maximum diameter of said semi-dome.’
    • ‘Design for a decoration of a semi-dome, with Christ in a mandorla of cherubim between Sts Peter and Paul, and two martyrs, with a kneeling pope below.’
    • ‘As the candlelight waxed and waned in the breeze, the highlights of the frescoes in the domes and semi-domes flashed momentarily into view then disappeared again into the shadows.’

Pronunciation:

semidome

/ˈsemēˌdōm//ˌsemˌī-/