grok: /grok/, var. /grohk/ vt. [from the novel "Stranger in a
Strange Land", by Robert A. Heinlein, where it is a Martian word
meaning literally `to drink' and metaphorically `to be one with']
The emphatic form is `grok in fullness'. 1. To understand, usually
in a global sense. Connotes intimate and exhaustive knowledge.
Contrast zen, which is similar supernal understanding experienced
as a single brief flash. See also glark. 2. Used of programs,
may connote merely sufficient understanding. "Almost all C
compilers grok the `void' type these days."