1. [mid-18C–mid-19C] (UK Und.) a trial, verdict and sentence [the patter is that of the judge, counsel, witnesses etc, dismissed as such by the prisoner].
2. [mid-18C+] (also patter-clatter) any form of speech or speechifying, e.g. a street seller’s sales talk, a judge’s summing up.
3. [late 18C–1900s] underworld slang, cant; latterly general slang (see cites 1890, 1896).
4. [19C+] talk considered as empty chatter.
5. [late 19C] a (foreign) language.
6. [2000s] in fig. use, attitude, lifestyle.
see sense 2 above.
[mid-19C] a criminal public or lodging house.
[mid-19C+] criminal slang.
[mid-19C] facing trial.
[early 19C] to flatter, to ‘shoot a line’.