The channel wound between precipitous banks, and slanting from one wall to the other across the valley ran a streak of green-the river and its fields.
There are no more uses of "precipitous" in the book.
Show samples from other sources
He followed Hollis’s pink truck down a newly paved side street that sloped up precipitously, causing the Hearse’s worn-out engine to rev for its very life.
John Green -- An Abundance of Katherines
I realize, probably too late, that I wish to leave something of myself, a small service to Bedley Run, and not simply a respectable headstone, but after seeing the generic, forlorn closedness of the store, I feel precipitously insubstantial behind the wheel, like an apparition who has visited too long.