but·ler /ˈbʌtlɚ/
  僕役長
  But·ler n.  An officer in a king's or a nobleman's household, whose principal business it is to take charge of the liquors, plate, etc.; the head servant in a large house.
     The butler and the baker of the king of Egypt.   --Gen. xl. 5.
     Your wine locked up, your butler strolled abroad.   --Pope.
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  butler
       n : a manservant (usually the head servant of a household) who
           has charge of wines and the table [syn: pantryman]
  Butler
     properly a servant in charge of the wine (Gen. 40:1-13; 41:9).
     The Hebrew word, _mashkeh_, thus translated is rendered also
     (plural) "cup-bearers" (1 Kings 10:5; 2 Chr. 9:4). Nehemiah
     (1:11) was cup-bearer to king Artaxerxes. It was a position of
     great responsibility and honour in royal households.