a seat for one person, with a support for the back
the position of professor
同义词：professorship
the officer who presides at the meetings of an organization
同义词：president??/??chairman??/??chairwoman??/??chairperson
an instrument of execution by electrocution; resembles an ordinary seat for one person
同义词：electric chair??/??death chair??/??hot seat
act or preside as chair, as of an academic department in a university
同义词：chairman
preside over
同义词：moderate??/??lead
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。