Answer: THERAVEN

AnswerCrossword Clue
THERAVENPoem with the line, "Ah, distinctly I remember, it was in the bleak December"
THERAVEN"Ghastly grim and ancient" poem title critter
THERAVENEdgar Allan Poe work
THERAVENPoe poem
THERAVENPoem that opens "Once upon a midnight dreary ..."
THERAVENTitle "ungainly fowl" of poetry
THERAVENAn "ominous bird of yore."
THERAVENPoe classic.
THERAVENPoem mentioning "the lost Lenore"
THERAVENPoe classic
THERAVENIt uses 20 different end rhymes for "ore"
THERAVENPoetic basis for an N.F.L. team name
THERAVENPoe's melancholy visitor