Cases of word usage

1) a small animal of South America with a shell of bony plates, able to roll itself into a ball when attacked (armadillo)

2) a pen with a small ball in place of a nib which rolls ink onto paper (ballpoint)

3) an indoor game played by two teams of five players who try to throw a large ball into high baskets fixed at each end of the court (basketball)

4) a small ball of coloured glass etc with a hole through it for a string or wire (bead)

5) a ball formed of liquid and containing air or gas, e.g. one that forms in boiling water (bubble)

6) a large, heavy gun, especially the old kind that fired a solid ball of metal (cannon)

7) a number of things or parts together in a mass or ball (e.g. rock) (conglomerate)

8) (of an outline or surface) curved outwards like the outside of a ball (convex)

9) a short bar with a metal ball at each end, used for exercising (dumbbell)

10) a game played by two teams of eleven players who kick a round ball (a football) into goals at each end of the field (a football pitch) (football)