subject header
noun
1 US a library worker responsible for assigning subject categories to books for the purposes of classification (now rare ).
2 Computing a header or part of a header which identifies the subject or topic of the following data, document, etc.; especially the subject line of an email.
Origin
Early 20th century; earliest use found in Library Journal.
- brain mass
- brainpan
- brain path
- brainpower
- brain sand
- brain scan
- brain scanner
- brain scanning
- brainsick
- brainsickly
- brainsickness
- brain skull
- brainstem
- brain stone
- brainstorm
- brainstormer
- brains trust
- brains truster
- brain-stuff
- brain sucker
- brain sugar
- brain surgeon
- brain surgery
- brain-teaser
- brain-teasing