head ‧ er /ˈhedə $ -ər/ BrE AmE noun [countable]
[ Word Family: noun : ↑ head , ↑ heading , ↑ overhead , ↑ header , ↑ headship ; adjective : ↑ overhead , ↑ heady , ↑ headless , ↑ headed ; verb : ↑ head , ↑ behead ; adverb : ↑ overhead ]
1 . an action in football in which you hit the ball with your head
2 . information at the top of a page, especially things such as numbers that appear on each page of a document
3 . information at the beginning of an email message that shows when it was sent, who wrote it etc
⇨ ↑ double-header