This is the 13132nd most frequent Turkish word.
karşılaşmalarında
"During their encounters" or "in their matches."
In this usage, 'karşılaşmalarında' conveys the context of meeting or encountering situation among friends during vacations.
Arkadaşlar, tatil karşılaşmalarında ne kadar eğlendiklerini anlattılar.
The friends talked about how much fun they had during their vacation encounters.
Here, 'karşılaşmalarında' describes the occasions when the characters met or encountered each other at different moments in the book.
Kitaptaki kahramanlar, farklı zamanlardaki karşılaşmalarında birbirlerini daha iyi tanıdılar.
The heroes in the book became better acquainted during their encounters at different times.
In this sentence, 'karşılaşmalarında' refers to the matches played by the teams as a context of their performance.