[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']
vt. 1. To understand, usually in a global sense. Connotes
intimate and exhaustive knowledge. Contrast zen, similar
supernal understanding 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."
