Quaint - Adj. - attractively unusual or old fashion "Over many a quaint and curious volume of forgotten lore..."
Sorrow - N. - a feeling of deep distress caused by loss, disappointment, or other misfortune suffered by oneself or others "From my books surcease of sorrow..."
Merely - Adv. - just; only "Merely this and nothing more..."
Lattice - N. - a structure consisting of strips of wood or metal crossed and fastened together with square or diamond-shaped spaces left between, used typically as a screen or fence or as a support for climbing plants. “Surely,” said I, “surely that is something at my window lattice..."
Censer - N. - a container in which incense is burned Then, methought, the air grew denser, perfumed from an unseen censer
Nevermore - Adv. - at no future time; never again