pancake

Concise Oxford English Dictionary © 2008 Oxford University Press:
pancake/ˈpankeɪk/

▶noun

• 1 a thin, flat cake of batter, fried and turned in a pan and typically rolled up with a sweet or savoury filling.

• 2 theatrical make-up consisting of a flat solid layer of compressed powder.

▶verb

• 1 (of an aircraft) make a pancake landing.

• 2 informal flatten or become flattened.

– phrases
(as) flat as a pancake completely flat.