► 動詞欠席  [けっせき]  [
欠席する]    
meaning:  miss  rank: 3☆ 
彼は
会議を欠席した ⇨ He didn’t attend, was absent from, the meeting
► 名詞欠席  [けっせき]    
meaning:  miss  rank: 3☆ 欠席通知 ⇨ An absence notice
More examples:- 所用のため会議を欠席致します ⇨ I won’t be in the meeting because there is some business I have to attend to
 - 私だけが欠席したのでは体裁が悪い ⇨ I look bad if I am the only one who is absent