filter

Noun

• an electrical device that alters the frequency spectrum of signals passing through it

• device that removes something from whatever passes through it

Verb

• run or flow slowly, as in drops or in an unsteady stream
  • water trickled onto the lawn from the broken hose
    
  • reports began to dribble in
    

• pass through
  • Water permeates sand easily
    

• remove by passing through a filter
  • filter out the impurities
    

Related words

• Synonyms: 
  trickle , dribble , percolate , sink in , permeate , filtrate , strain , separate out , filter out