say it: PAT-ur
patter is a noun and verb meaning "plausible glib talk (especially useful to a salesperson)". It carries 4 recorded senses.
plausible glib talk (especially useful to a salesperson)
rain gently
“It has only sprinkled, but the roads are slick”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for patter come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.