Availing themselves of spurs of the old table land which were almost entirely cut off by the gorges tributary to the river, they ran their earth walls with infinite toil in a tortuous, crenulated line along the margins of the declivities.
"See America First"
Orville O. Hiestand
But, as a general rule, the fluviatile species are smaller, smoother, and more globular than the marine; and they have never, like the Neritae, the inner margin of the outer lip toothed or crenulated.
"The Student's Elements of Geology"
Sir Charles Lyell
The clouds, which rolled fleecy and white in piles and crenulated bastions of cumulus, lighted the eyes of the man and maid as they went onward upon the crisping piny carpet of fallen fir-needles.
"The Lilac Sunbonnet"
S.R. Crockett