Perpendicular to Longitude
This page is the CodyCross answer for the clue below from Pet Shop, Group 359, Puzzle 2 (Digital Thermometers).
Question is: Perpendicular to Longitude
and the answer is: LATITUDE
Word Meaning:
LATITUDE — (geography, astronomy, countable) The angular distance north or south from a planet's equator, measured along the meridian of that particular point.
Definitions from Wiktionary.