dam2 verb (
past tense and past participle dammed,
present participle damming)
[transitive] (
also dam up)
1. to stop the water in a river or stream from flowing by building a special wall across it
2. to stop something from being expressed or continuing:
Once she allowed her anger to show, it could not be dammed up again. [TahlilGaran] Dictionary of Contemporary English ▲