This is the 14031st most frequent Turkish word.
meyda
"Meyda" is likely a misspelling or mistranslation; it might refer to "meydan," which means "square" or "plaza" in English.
In this sentence, 'meydan' refers to an open public space, typically a square in a town or city.
Meydan oldukça kalabalıktı.
The square was quite crowded.
Here, 'meydana çıkarmak' is an idiomatic expression meaning 'to reveal or bring to light', using 'meydan' metaphorically.
Konuştukça gerçeği meydana çıkardı.
As he spoke, he revealed the truth.
In this context, 'meydan okumak' is an idiomatic phrase meaning 'to challenge', where 'meydan' symbolically represents a place of confrontation.