someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous); "the speaker at commencement"; "an utterer of useful maxims"
the presiding officer of a deliberative assembly; "the leader of the majority party is the Speaker of the House of Representatives"
(law) the residence where you have your permanent home or principal establishment and to where, whenever you are absent, you intend to return; every person is compelled to have one and only one domicile at a time; "what's his legal residence?"