noun, noun which may take the genitive case particle 'no'
by the window; at the window; window-side
Refers to the area or position immediately next to a window. Often used with の to modify nouns (e.g., 窓際の席).
窓際の席に座りたいです。
I'd like to sit in a seat by the window.
彼はいつも窓際に立って外を眺めている。
He always stands by the window and looks outside.