Wiktionary
n. (plural of dorsal fin English)
Usage examples of "dorsal fins".
He turned away before Merced or anyone else could pose another question, to rejoin the waiting group of high dorsal fins stirring the water.
Both he and Persellan watched in silence until the dorsal fins of patient and nurses were no longer easily visible.
Meanwhile, the dorsal fins were circling away from their feeding on the lieutenant.
I was sure that I was bleeding into the water, and once, when the dorsal fins were circling far enough out that I could ignore them for a moment, I lowered my hands to my side and then pulled them out of the water.
He peered down through the small ripples cast by the two dorsal fins.
He realized it was a shark when it was still a distance away, recognizing the dorsal fins.
He looked over a shoulder, saw the placid five-eyed creature trailing dutifully behind them, packages piled high between the stiff dorsal fins.