head off

US /hed ɔf/
UK /hed ɔf/
"head off" picture
1.

to prevent someone or something from going in a particular direction by getting in front of them

:
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The police managed to head off the protestors before they reached the embassy.
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We need to head off the cattle before they wander too far.
:
interceptblockpreventavertforestall
2.

to leave a place

:
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I need to head off now if I want to catch my train.
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They decided to head off early to avoid traffic.
:
departleaveset offstart outgo
:
head-to-headheadheadingoff the top of your headlaugh your head offbite someone's head offoff