(American football) a play in which a defensive player is allowed to cross the line of scrimmage and then blocked off as the runner goes through the place the lineman vacated
a raised horizontal surface; "the speaker mounted the platform"
any military structure or vehicle bearing weapons
the combination of a particular computer and a particular operating system
a document stating the aims and principles of a political party; "their candidate simply ignored the party platform"; "they won the election even though they offered no positive program"
powerful and effective language; "his eloquence attracted a large congregation"; "fluency in spoken and written English is essential"; "his oily smoothness concealed his guilt from the police"