Note the distinction between longest-single-drop height and overall height - many observers will only include vertical plunges when assessing the height of a waterfall.

Once through, the explorers found stone steps cut into a rock face that inclined away from the vertical plunge of the mountain wall.

Employers were very nervous about taking what Mr. Saveth described as a "vertical plunge" into Government regulation.

Expecting a wild ride, I felt almost cheated when the almost vertical plunge down a tunnel in the cliff lasted less than 60 seconds.

Truly terrifying, the vertical plunge is at 50 miles an hour.

He was too dazed to twist his falling body into a vertical plunge.

BACK at camp - after a vertical plunge that took another hour and tortured a whole new set of muscles - we were welcomed and congratulated.

The shattering of glass - the snapping of metal - these were the sounds that had marked The Shadow's vertical plunge.

The Drake plunged downward, still spinning uncontrollably but powered enough to turn its deadly vertical plunge into a dangerous horizontal slide.

Two of them hit forward, and Yawata Maru went down, bow first, in a vertical plunge.