The Main Room of a Royal Palace

This page is the CodyCross answer for the clue below from Transport, Group 118, Puzzle 5.

Question is: The Main Room of a Royal Palace

and the answer is: GREATHALL

Word Meaning:

GREAT HALL — (history, architecture) The main room of a palace, castle or large manor house in the Middle Ages, or in a country house of the 16th and early 17th centuries.

Definitions from Wiktionary.