Main Entry:

path·way

Pronunciation:

\ˈpath-ˌwā, ˈpäth-\

Function:

noun

Date:

15th century

1: path, course2: a line of communication over interconnecting neurons extending from one organ or center to another ; also : a network of interconnecting neurons along which a nerve impulse travels3: the sequence of usually enzyme-catalyzed reactions by which one substance is converted into another <metabolic pathways>