Olfactory generally refers to the sense of smell
But can mean various parts of the nasal passages.

Charlie is drug for sniffing, which Mr Wonka seems to be doing in the picture above.

Happy now?
( Mrs Trellis has her two Misses Trellises at home :), Fri 20 Jul 2007, 15:59, archived)

he'll learn once he gets onto his GCSE biology

( drbroon drbroon.co.uk, Fri 20 Jul 2007, 16:07, archived)

Thankyou, but I'd figured it out by then

( ClanSoul lives in the penthouse, Fri 20 Jul 2007, 16:19, archived)