I. scarf 1 /skɑːf $ skɑːrf/ BrE AmE noun ( plural scarfs or scarves /skɑːvz $ skɑːrvz/) [countable]
[ Date: 1500-1600 ; Language: Old North French ; Origin: escarpe , from Old French escherpe 'bag hung around the neck' ]
a piece of cloth that you wear around your neck, head, or shoulders, especially to keep warm
II. scarf 2 BrE AmE ( also scarf down/up ) verb [transitive] American English informal
[ Date: 1900-2000 ; Origin: scoff 'to eat quickly' (18-21 centuries) ]
to eat something very quickly:
She scarfed down a bagel on her way to work.