infurnibulum
From LSJ
Latin > English (Lewis & Short)
infurnĭbŭlum: i, n. in - furnus,
I a funnel for inhaling smoke: is nidor per infurnibulum imbibitur in tussi, Plin. 24, 15, 85, § 135 (Jahn and others read infundibulum; Gloss. Philox. infumibulum καπνοδόχη).