tiller
nounUK /ˈtɪlə/
US /ˈtɪlər/
A handle you use to steer a boat.
She pulled the tiller to turn the small boat toward the shore.
OTHER MEANINGS
2. A person who prepares and works the soil for growing crops.
The tiller spent the morning turning over the field before planting.
3. A machine or tool used to break up and loosen soil.
He started the garden tiller to prepare the ground for vegetables.
4. A shoot that grows from the base of a grass or cereal plant.
Each tiller on the wheat plant can produce its own head of grain.