1) an area of land, usually surrounded by hedges, fences etc, used for cattle or for growing crops (field)

2) a kind of African and Asian winged insect which flies in large groups and destroys crops and vegetables (locust)

3) a person who grows crops on a plantation (planter)

4) (a sound of) a small movement on the surface of water, crops etc, e.g. made by a gentle wind; a sound of quiet laughter or gossip in a crowd (ripple)