crossbar vs jamb

crossbar

noun
  • Any transverse bar or piece, such as a bar across a door, or the iron bar or stock which passes through the shank of an anchor. 

  • The top of the goal structure. 

  • The top tube of a bicycle frame. 

verb
  • To mark with a pattern of transverse bars. 

jamb

noun
  • Either of the vertical components that form the side of an opening in a wall, such as that of a door frame, window frame, or fireplace. 

  • Synonym of jambeau (“piece of armor for the leg”). 

  • Any thick mass of rock that prevents miners from following the lode or vein. 

verb
  • To fix or attach a jamb to. 

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