プログレッシブ和英中辞典(第4版)の解説
きぐう【奇遇】
「a chance [an unexpected] meeting；〔幸運な〕 《文》 a fortuitous meeting
ここで会うとは奇遇だね
Fancy meeting you here!／What a surprise to meet you here!
駅で出会ったのは全くの奇遇だった
It was entirely by chance that we ran into each other at the station.