guru

from WordNet (r) 3.0 (2006)
guru
    n 1: a Hindu or Buddhist religious leader and spiritual teacher
    2: each of the first ten leaders of the Sikh religion
    3: a recognized leader in some field or of some movement; "a
       guru of genomics"
    
from The Collaborative International Dictionary of English v.0.48
Gooroo \Goo*roo"\, Guru \Gu*ru"\ (g[=oo]*r[=oo]"), n. [Hind.
   gur[=u] a spiritual parent or teacher, Skr. guru heavy,
   noble, venerable, teacher. Cf. {Grief}.]
   1. A spiritual teacher, guide, or confessor among the Hindus;
      a guru. --Malcom.
      [1913 Webster]

   2. (g[=oo]"r[=oo]) one who has expert knowledge of a
      technical area and serves as an advisor to others; an
      expert and teacher. Usually written guru.
      [PJC]

   3. (g[=oo]"r[=oo]) an intellectual or spiritual guide or
      advisor; a mentor. Usually written guru.
      [PJC]
    
from The Collaborative International Dictionary of English v.0.48
Guru \Gu"ru\ (g[=oo]"r[=oo]), n.
   Same as {gooroo}.
   [PJC]
    
from Jargon File (4.4.4, 14 Aug 2003)
guru
 n.

   [Unix] An expert. Implies not only {wizard} skill but also a history
   of being a knowledge resource for others. Less often, used (with a
   qualifier) for other experts on other systems, as in VMS guru. See
   {source of all good bits}.
    
from The Free On-line Dictionary of Computing (8 July 2008)
guru

   <job> An expert, especially in "{Unix} guru".  Implies not
   only {wizard} skill but also a history of being a knowledge
   resource for others.  Less often, used (with a qualifier) for
   other experts on other systems, as in "VMS guru".

   See {source of all good bits}.

   [{Jargon File}]

   (1996-06-01)
    
from Moby Thesaurus II by Grady Ward, 1.0
89 Moby Thesaurus words for "guru":
      Brahman, Ramwat, abecedarian, angel, authority, bairagi, bashara,
      bhikhari, bhikshu, boss, bwana, certified teacher, chef, chief,
      church dignitary, docent, doctor, dominie, don, ecclesiarch,
      educationist, educator, elder, elder statesman, employer, fellow,
      goodman, great soul, guide, holy man, husband, illuminate,
      instructor, intellect, intellectual, liege, liege lord, lord,
      lord paramount, lover of wisdom, maestro, mahatma,
      man of intellect, man of wisdom, mandarin, master, mastermind,
      melamed, mentor, mullah, oracle, overlord, padrone, pandit,
      paramount, paterfamilias, patriarch, patron, pedagogist, pedagogue,
      philosopher, preceptor, professor, pujari, pundit, purohit, rabbi,
      rishi, sage, sahib, saint, sannyasi, sapient, savant, scholar,
      schoolkeeper, schoolmaster, schoolteacher, seer, seigneur,
      seignior, starets, teacher, thinker, vairagi, wise man,
      wise old man, yogi, yogin

    

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