The bottom is of rocks, gravel, and mud; the shoaler portions are sharp and rocky.
"Fishing Grounds of the Gulf of Maine" by Walter H. Rich
Paddle into shoaler water, an' I'll try it.
"Commodore Barney's Young Spies" by James Otis
The tide was now running out, and consequently the more we neared the shore, the shoaler the water got.
"Canadian Wilds" by Martin Hunter
The hunt had swept on through shoaler water, but there was a cheer from the stragglers across the river.
"The Protector" by Harold Bindloss