trickletrick·le /ˈtrɪkəl/ verb [intransitiveI] to move somewhere slowly and in very small numbers or amountsOnly four or five customers had trickled in by 11:30.
Details of the programs have trickled out over the past weeks, but haven’t been widely publicized.
—trickle noun [singular]Trading activity slowed to a trickle as traders waited for a sign that war could be avoided.