What's the difference between weigher and weighmaster?

Weigher

Definition:

• (n.) One who weighs; specifically, an officer whose duty it is to weigh commodities.

Example Sentences:

• (1) The Federal Reserve has become the watcher and weigher of market-moving events.

Weighmaster

Definition:

• (n.) One whose business it is to weigh ore, hay, merchandise, etc.; one licensed as a public weigher.

Example Sentences: