プログレッシブ和英中辞典(第4版)の解説
りじ【理事】
a director；〔大学などの〕a trustee
理事［理事長］になる
become 「a member [the chairperson] of the board of directors [trustees]
常任理事
an executive director
理事会
a board of directors [trustees]
理事国
a member of a council
国連安全保障理事会常任［非常任］理事国
a permanent [nonpermanent] member of the UN Security Council