Blank Space Between a Book's Two Facing Pages
This page is the CodyCross answer for the clue below from Train Travel, Group 708, Puzzle 1 (Operating Companies).
Question is: Blank Space Between a Book's Two Facing Pages
and the answer is: GUTTER
Word Meaning:
GUTTER — A prepared channel in a surface, especially at the side of a road adjacent to a curb, intended for the drainage of water.
Definitions from Wiktionary.