header vs spec

header

noun
  • Someone who heads the ball. 

  • A headlong fall, jump or dive. 

  • Text, or other visual information, used to mark off a quantity of text, often titling or summarizing it. 

  • A pipe which connects several smaller pipes. 

  • One who puts a head on something. 

  • Text, or other visual information, that goes at the top of a column of information in a table. 

  • A font, text style, or typesetting used for any of the above. 

  • A raised tank that supplies water at constant pressure, especially to a central heating and hot water system. 

  • The upper portion of a page (or other) layout. 

  • The first part of a file or record that describes its contents. 

  • A machine that separates and gathers the heads of grain etc. 

  • the first part of a packet or stream, often containing its address and descriptors. 

  • The act of hitting the ball with the head. 

  • A horizontal structural or finish piece over an opening. 

  • The rodeo performer who drives the steer toward the heeler to be tied. 

  • A brick that is laid sideways at the top of a wall or within the brickwork with the short side showing. 

verb
  • To strike (a ball) with one's head. 

spec

noun
  • A spectacular mark (catch) in Australian rules football. 

verb
  • To specify, especially in a formal specification document. 

How often have the words header and spec occurred in a corpus of books? (source: Google Ngram Viewer )