The slang dictionary, to which I should in the first place have directed my attention, was unfortunately not within my reach.
The other borrowed set is to be found in the slang dictionary.
"Filching" was precise word, which has its equivalent in slang dictionary in sneaking.
I doubt if even the “slang dictionary” contains more than a few of the following instances that may be accepted as genuine.
Its oldest meaning is stomach-ache, still given in Hotten's slang dictionary .
"I must try my slang dictionary," said Lydia, taking down a book and opening it.