1. fin
Fishes have got fins
the dark fin of a shark approaching you
A fish uses a fin on either side of its body to propel and steer it through the water.
English word "statecznik"(fin) occurs in sets:
Moje słówka angielskie (4)2. electromagnetic ballast
3. tail fin
English word "statecznik"(tail fin) occurs in sets:
vocabulary 34. stabilizers