the GNU version of the Collaborative International Dictionary of English
adj. Illuminated.
The Century Dictionary and Cyclopedia
Full of light; illuminated; not obscure.
Word Usage
"In a different part of the stack, Rambler gave us nginx, and Jan Kneschke brought us lighttpd (lighty), which now figure in the top 10 list of of all web servers deployed, with both reaching past a million servers each."