Definition of "header" []

• One that fits a head on an object. (noun)
• One that removes a head from an object, especially a machine that reaps the heads of grain and passes them into a wagon or receptacle. (noun)
• A pipe that serves as a central connection for two or more smaller pipes. (noun)
• A floor or roof beam placed between two long beams that supports the ends of the tailpieces. (noun)
• A brick or stone laid at a right angle to the face of a wall so that only its short end is showing. Also called bonder. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "$header = shift @$recs; my $data = $header-fixed. $header-var;"
• "说明：查看 firefox 收发请求的 header, 特别是在发出请求前, 可以修改 header。"
• "I think what's throwing people off is the title header of your op-piece."