The presiding officer of an assembly, meeting, committee, or board, The head of a corporate or governmental board of directors, a committee, or other formal entity,

Plural form of chair, verb_ Third-person singular simple present indicative form of chair

A call to engage in a contest, fight, or competition, An invitation to engage in a contest or controversy of any kind; a defiance; specifically, a summons to fight a duel; also, the letter or message conveying the summons, A claim or demand; pretension,

Having a disability or impairment, Deficient or lacking, Lacking some physical or mental attribute or skill; used after adverbs to make politically correct adjectives,

Plural form of challenge,

Requiring the full application of one's abilities, attention, or resources, disposed to or engaged in defiance of established authority, disturbingly provocative, verb_ Present participle of challenge

A room in a house, especially a bedroom, A room where a person of authority, rank, or importance receives visitors, Apartments in a lodging house

Plural form of chamber, law A judge's private office, UK, law The rooms used by a barrister or to an association of barristers, verb_ Third-person singular simple present indicative form of chamber

A sparkling white wine made from a blend of grapes, especially Chardonnay and Pinot, produced in Champagne, A light wine, of several kinds, originally made in the province of Champagne, in France, A very pale brownish-gold colour, similar to that of champagne, adjective_ Of a very pale brownish-gold color, similar to that of champagne

One that wins first place or first prize in a competition, One who fights; a warrior, Someone who has been a winner in a contest,