What is Pore ?
Pore is (noun) a tiny hole in the skin or in a leaf, through which moisture such as sweat passes I was sweating from every pore as I waited for the results of the test. Water evaporates from the pores of the leaves. (verb) to pore over something to look very closely at something such as a book He spent days in the library poring over old documents.
source: Easier English, Student Dictionary Upper Intermediate Level