Webster's Revised Unabridged Dictionary · 1913

Patter

Patter , intransitive verb

[Freq. of pat to strike gently.]

1.
To strike with a quick succession of slight, sharp sounds; as, pattering rain or hail; pattering feet.
The stealing shower is scarce to patter heard. — Thomson
2.
To mutter; to mumble; as, to patter with the lips. — Tyndale
3.
To talk glibly; to chatter; to harangue. [Colloquial]
I've gone out and pattered to get money. — Mayhew

Patter , transitive verb

1.
To spatter; to sprinkle. [Rare]
And patter the water about the boat. — J. R. Drake
2.
To mutter; as prayers.
[The hooded clouds] patter their doleful prayers. — Longfellow
Collocations (1)
To patter flash , to talk in thieves' cant. [Slang]

Patter , noun

1.
A quick succession of slight sounds; as, the patter of rain; the patter of little feet.
2.
Glib and rapid speech; a voluble harangue.
3.
The cant of a class; patois; as, thieves's patter; gypsies' patter.
4.
The language or oratory of a street peddler, conjurer, or the like, hence, glib talk; a voluble harangue; mere talk; chatter; also, specif., rapid speech, esp. as sometimes introduced in songs. [Cant or Colloquial]