chaired 是 chair 的过去式、过去分词

chair

KK [tʃɛr] /tʃɛɹ/

名词

1
椅子、座椅
She pulled up a chair and sat down beside me.
她拉了一把椅子，在我旁边坐下。
2
主席、会议主持人
The chair opened the meeting with a short statement.
主席以一段简短的发言宣布会议开始。
3
主任、系主任
She was appointed chair of the history department.
她获任命为历史系系主任。
4
教席、讲座教授职位正式
He holds a chair in molecular biology at the university.
他在该大学担任分子生物学的讲座教授。
5
席位、首席音乐
She won the first chair in the violin section.
她拿下了小提琴声部的首席位置。
6
电椅美式，口语
The killer was sentenced to the chair in 1962.
那名凶手在一九六二年被判处电椅死刑。