
1) Chance happenings 2) Harpoon barbs 3) Lucky breaks 4) Strokes of good luck 5) Strokes of unanticipated luck
Found on
https://www.crosswordclues.com/clue/flukes

1) Chanceoccurrences
Found on
https://www.crosswordclues.com/clue/flukes

In cetaceans, the horizontally positioned tail fin, resembling the tail of a fish, but not as vertical.
Found on
http://www.encyclo.co.uk/local/21699

In cetaceans, the horizontally positioned tail fin.
Found on
http://www.encyclo.co.uk/local/22141

any of the parasitic nonsegmented flatworms (trematodes) that have an oral sucker and sometimes a second ventral sucker; they attach to the inner walls of intestines, lungs, large blood vessels, or the liver in human hosts
Found on
https://courses.lumenlearning.com/microbiology/chapter/glossary/

A group of organisms characterized by having a flat, unsegmented body and complex multi-stage life-cycles. Flukes (comprising Class Trematoda) are members of the Phylum Platyhelminths, or the flatworms, which also includes the Tapeworms and the non-parasitic Turbellarians (e.g., the Planarians). Flukes are entirely parasitic, and are hermaphroditic...
Found on
https://www.encyclo.co.uk/local/23029

Horizontally flattened tail of cetaceans (containing no bone).
Found on
https://www.encyclo.co.uk/local/23466

The two horizontally broadened fins that comprise a whale’s tail. Each individual lobe is called a fluke.
Found on
https://www.marinemammalobservertraining.com/help/glossary/
No exact match found.