† to gang inObsoleteintransitive to come in as a gang.
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the world > movement > motion in a certain direction > going or coming in > go or come in [verb (intransitive)] > in a crowd
inthringc1330
enthrong1600
pile1841
to gang in1891
1891 Miss Willard in Voice (N.Y.) 12 Nov. The dozen or fifteen barefooted urchins who in the later summer season ganged in from the river side and prairie.