clearance for takeoff
noun phraseUK /ˈklɪərəns fə ˈteɪkɒf/
US /ˈklɪrəns fər ˈteɪkɔf/
Permission from the airport to let a plane go up into the sky.
The pilot waited for clearance for takeoff before starting the engines.
RELATED WORDS
OTHER MEANINGS
2. Official approval for a spacecraft to begin its launch.
Mission control gave clearance for takeoff to the rocket crew.
3. In business, formal permission for a project or product to start.
The manager gave clearance for takeoff on the new ad campaign.
4. In sports, the signal that a race or match may begin.
The referee's whistle was the clearance for takeoff of the final sprint.