HEADOFF
head off
Verb
- To begin moving away.
- (We will head off on our holidays tomorrow)
- To intercept.
- The cavalry will head off the bandits at the pass.
- To avoid some usually negative consequence.
- The government took steps to head off summertime shortages of gasoline.
The above text is a snippet from Wiktionary: head off
and as such is available under the Creative Commons Attribution/Share-Alike License.