Usual Direction of the Y-Axis on a Graph
This page is the CodyCross answer for the clue below from House of Horrors, Group 1117, Puzzle 2 (Family Curse).
Question is: Usual Direction of the Y-Axis on a Graph
and the answer is: VERTICAL
Word Meaning:
VERTICAL — Standing, pointing, or moving straight up or down; parallel to the local direction of gravity; along the direction of a plumb line; perpendicular to something horizontal.
Definitions from Wiktionary.