Noun
A dome, or domed building; a cupola.
A dome-shaped tomb from the Mycenaean period of Ancient Greece.
Source: en.wiktionary.orgLate Helladic II (LHII) Alan Wace divided the nine tholos tombs of Mycenae into three groups of three, each based on architecture. Source: Internet
A number of surviving temple-like structures are circular, and are referred to as tholos. Source: Internet