Source : Webster's Revised Unabridged Dictionary (1913)

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.

Source : WordNet®

major-domo
     n : the chief steward or butler of a great household [syn: {seneschal}]