Merriam-Webster's Collegiate® Dictionary, 11th Edition
CHAIRMAN
I. noun
Date: 1592
1. the presiding officer of a meeting, organization, committee, or event, the administrative officer of a department of instruction (as in a college), a carrier of a sedan chair, chairmanship noun
II. transitive verb (-maned or -manned; -maning or -manning)
Date: 1888
chair 3