'Run-in' definitions:

Definition of 'run-in'

From: WordNet
noun
An angry dispute; "they had a quarrel"; "they had words" [syn: quarrel, wrangle, row, words, run-in, dustup]

Definition of 'Run-in'

From: GCIDE
  • Run-in \Run"-in\, n. An argument or quarrel. [PJC]