siblog
n.—Gloss: a sister, or sibling, blog, one published by the same company. Note: Used almost exclusively by bloggers the New York Times. «So what’s left to drive? Try to find a 1994 Geo Metro XFi, recommended Wired (and so did a commenter on Wheels, our siblog).» —“All Hail (or Mourn) the Geo Metro” by Mike Nizza New York Times: The Lede June 10, 2008. (source: Double-Tongued Dictionary)