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Origin of tail fin
Words nearby tail fin
Example sentences from the Web for tail fin
The tail-fin, which is deepest at mid-length, extends to the back of the head and is flecked with brown.
In small larvae the outer edge of the tail-fin is dark brown.
The tail shortens and finally disappears in the frogs and toads; with the salamanders the tail-fin only is lost.Elementary Zoology, Second Edition|Vernon L. Kellogg
The reader will see from the figure that the tail-fin is very large, and the backbone appears to run into the lower lobe.Extinct Monsters|H. N. Hutchinson
She is said to have a hand as large as the tail-fin of a whale, and if she strikes you with it there is an end of you.Eskimo Life|Fridtjof Nansen