fan out
From Longman Dictionary of Contemporary Englishfan out phrasal verb1 SPREADif a group of people fan out, they walk forwards while spreading over a wide area2 SPREAD fan something ↔ out to spread out a group of things that you are holding so that they make a half-circle Fan the cards out, then pick one.3 if something such as hair or clothing fans out, it spreads out in many directions → fan→ See Verb tableExamples from the Corpusfan out• The men were told to fan out and begin the search.• Scores of FBI agents fanned out on Monday to interview potential witnesses.