2 definitions
for run-in
From The Collaborative International Dictionary of English v.0.48 :
Run-in \Run"-in\, n.
An argument or quarrel.
[PJC]
From WordNet (r) 2.0 :
run-in
n : an angry dispute; "they had a quarrel"; "they had words"
[syn: quarrel, wrangle, row, words, dustup]