That dark, uneven, Hummocky break in the earth, which was a goodly number of rods distant, yet now seemed close, drew a startling attention.
"The Desert of Wheat"
Zane Grey
The ice about was old and Hummocky, offering a difficult line of march, but some shelter.
"My Attainment of the Pole"
Frederick A. Cook
The enemy's aeroplanes came over to survey the situation, and, taking a leaf from our book, flew very low, firing their machine-guns at the advanced posts of Irish lying in shell-holes and in the Hummocky ground.
"From Bapaume to Passchendaele, 1917"
Philip Gibbs