any shark of the family Carcharhinidae, occurring mostly in tropical seas and characterized by a nictitating membrane and a heterocercal tail. The family includes the tiger shark and the soupfin
WordReference Random House Unabridged Dictionary of American English © 2026
req′uiem shark′,
- Fishany of numerous, chiefly tropical sharks of the family Carcharhinidae, including the tiger shark and soupfin shark.
- 1895–1900; by folk etymology, etymological from French requin shark (origin, originally uncertain; perh. from same source as Portuguese requeima, requeime local name for various serranid fishes)
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'requiem shark' also found in these entries (note: many are not synonyms or translations):