(n) an action intended to conceal or confuse or obscure, Syn. smokescreen, Example:requesting new powers of surveillance is just a smokescreen to hide their failures
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
n. A chimney; esp., a pipe serving as a chimney, as the pipe which carries off the smoke of a locomotive, the funnel of a steam vessel, etc. [ 1913 Webster ]