プログレッシブ和英中辞典(第4版)の解説
ずいいん【随員】
an attendant;〔一行〕a ((foreign minister's)) party,《文》 a suite [swíːt], 《文》 an entourage,《文》 a retinue;〔個人〕a member of a party
父は外相の随員として渡米した
My father visited the United States as a member of the foreign minister's party.