Crossword clue: an ancient egyptian mud-brick tomb with a rectangular base and sloping sides and flat roof

The most common answer is mastaba (7 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

mastaba 7 letters wn-def

an ancient Egyptian mud-brick tomb with a rectangular base and sloping sides and flat roof

mastabah 8 letters wn-def

an ancient Egyptian mud-brick tomb with a rectangular base and sloping sides and flat roof