From WordNet (r) 2.0 (August 2003) [wn]:
guru
n 1: a Hindu or Buddhist religious leader and spiritual teacher
2: each of the first ten leaders of the Sikh religion [syn:
Guru]
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 [gcide]:
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 [gcide]:
Guru \Gu"ru\ (g[=oo]"r[=oo]), n.
Same as gooroo.
[PJC]
From The Free On-line Dictionary of Computing (19 Sep 2003) [foldoc]:
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 Jargon File (4.4.4, 14 Aug 2003) [jargon]:
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.