The Collaborative International Dictionary of English v.0.48:

Major-domo \Ma`jor-do"mo\, n. [Sp. mayordomo, or It.
   maggiordomo; both fr. LL. majordomus; L. major greater +
   domus house.]
   A man who has authority to act, within certain limits, as
   master of the house; a steward; also, a chief minister or
   officer.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

20 Moby Thesaurus words for "majordomo":
   MC, attorney, bailiff, butler, chamberlain, croupier, curator,
   custodian, emcee, factor, guardian, house steward, housekeeper,
   landreeve, librarian, master of ceremonies, proctor, procurator,
   seneschal, steward



The Free On-line Dictionary of Computing (30 December 2018):

Majordomo

    A popular freeware mailing list
   processor written in Perl which runs under Unix.
   Majordomo is a "groupware" project which evolved from code by
   Brent Chapman , with maintenance by
   John Rouillard .  The current Majordomo
   maintainer is Chan Wilson .

   A majordomo is a person who speaks, makes arrangements, or
   takes charge for another; from Latin "major domus" - "master
   of the house".

   (http://greatcircle.com/majordomo/).

   (2001-04-27)