n. 天神下凡化作人形, 化身

Avatar \Av`a*tar"\ ([a^]v`[.a]*t[add]r"), n. [Skr. avat[^a]ra
descent; ava from + root t[.r] to cross, pass over.]
1. (Hindu Myth.) The descent of a deity to earth, and his
incarnation as a man or an animal; -- chiefly associated
with the incarnations of Vishnu.

2. An incarnation, embodiment or personification of a
principle, quality, or attitude; -- used of people, mostly
in a positive sense as a manifestation of a behavior or
character worthy of admiration.
[1913 Webster +PJC]

Martha Stewart, the home-and-hearth avatar whose
products are now available at Kmart stores, is
making upscale design touches like 200-thread-count
cotton bed sheets something that most every American
can aspire to. --Leslie
Kaufman (N. Y.
Times, May 7,
1999).