A carpenter is the most likely answer.
You may also want to reference:
http://en.wikipedia.org/wiki/Plane
rake angle
Yes. It is a woodworking tool called a router plane. It is used to clean out dados and inlays cut by other tools.
Peg leg
framing square
It is a CRM tool Called Connectwise - It uses a .psa extension.
plane
If you're talking about the stick a conductor uses when conducting an orchestra, it's called a baton.
The homophone for "flatland" is "flatland," but the homophone for a joiner's tool, "plane," is also "plane."
Bench plane or block plane
supply management
supply management
supply management