nostr:npub1u6xc43xfrcag8w9nkrhvc3kv3dmvsuuke4ge2llwayv9qmwfvhlsw533x3 nostr:npub1p7ejl0jsgqhg2lkhf4ky9jxh3atrr605grm40lzw8u76stw793es3f3sxu a fluke is a fish tail...what does it mean locally?

https://www.britannica.com/science/fluke-whale-anatomy