Precipitous Part of a High Steep Rock Face

This page is the CodyCross answer for the clue below from World of Books, Group 299, Puzzle 4 (National Film Registry).

Question is: Precipitous Part of a High Steep Rock Face

and the answer is: CLIFFEDGE

Word Meaning:

CLIFF EDGE — (figurative) A point at which a value or rate suddenly declines precipitously.

Definitions from Wiktionary.