1. (verb) - to move your had from side to side.
- Despite waving several times at the waiter, he didn't seem to notice us.
- I noticed Richard has the habit of waving his hands around a lot when he is talking.
2. (noun) - water.
- Rachael loves listening to the sound of the waves crashing against the shore.
- The surfers are clearly enjoying riding the big waves at the beach.
3. (noun) - large number.
- Hong Kong has been hit by a wave of protests over the past few months.
- A new wave of job losses is expected in certain industries next year.