NOTE: refers to a usable, demarcated foot route
We followed a pathway through the woods to an old cabin.
It was a hidden underground pathway used by royalty for escape.
WordNet 3.0 Sense Numbers: 1
NOTE: refers to component neural structures of the nervous system anatomy.
The accident severed the neural pathway from the lower spine to the brain.
The brain contains very large and complex pathways of neurons.
WordNet 3.0 Sense Numbers: 2
NOTE: refers to a series of events
These metabolic pathways are not yet well understood by biochemists.
He is studying the metabolic pathways involved in converting starches into sugars.
WordNet 0.0 Sense Numbers: 1b