brim vs pair of compasses

brim

noun
  • A projecting rim, especially of a hat. 

  • An edge or border (originally specifically of the sea or a body of water). 

  • The topmost rim or lip of a container. 

verb
  • To be full to overflowing. 

  • Of pigs: to be in heat, to rut. 

  • To fill to the brim, upper edge, or top. 

pair of compasses

noun
  • A tool for drawing accurate circles or arches, usually consisting of two arms joined at one end in such a way that the arms can be opened and closed; one of the arms is pointed at its free end while the other holds a pencil, pencil lead or some other implement for making marks. 

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