radical cell is a noun meaning "a cell of terrorists (usually 3 to 5 members)". It carries one recorded sense.
a cell of terrorists (usually 3 to 5 members)
“to insure operational security the members of adjacent terrorist cells usually don't know each other or the identity of their leadership”
terrorism
Definitions, synonyms and semantic relations for radical cell come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.