cliff

"The hikers stood at the edge of the cliff, admiring the view."

"He carefully leaned over the cliff to get a better look at the valley below."

"The cliff was a popular spot for rock climbers and adventurers."

"The cat almost cliffed off the ledge while chasing a bird."

"If you don't secure your gear, it might cliff into the river below."

"I watched in horror as the climber nearly cliffed during the ascent."