Условие задания:

3 Б.
Read the definitions and write the word. 
1. A circle of any material, or any group of things or people in a circular shape or arrangement -
2. A style of swimming in which you move your arms over your head and kick with straight legs -
3. To raise your hand and move it from side to side as a way of greeting someone, telling someone to do something, or adding emphasis to an expression -