jumper vs pinafore

jumper

noun
  • A one-piece, sleeveless dress, or a skirt with straps and a complete or partial bodice, usually worn over a blouse by women and children; pinafore. 

  • Someone or something that jumps, e.g. a participant in a jumping event in track or skiing. 

  • A nuclear power plant worker who repairs equipment in areas with extremely high levels of radiation. 

  • A shot in which the player releases the ball at the highest point of a jump; a jump shot. 

  • A removable connecting pin on an electronic circuit board. 

  • A long drilling tool used by masons and quarry workers, consisting of an iron bar with a chisel-edged steel tip at one or both ends, operated by striking it against the rock, turning it slightly with each blow. 

  • A person who attempts suicide by jumping from a great height. 

  • A loose outer jacket, especially one worn by workers and sailors. 

  • A crude kind of sleigh, usually a simple box on runners which are in one piece with the poles that form the thills. 

  • A woollen sweater or pullover. 

  • Rompers. 

  • A jumping spider. 

  • A platform game based around jumping. 

  • A spring to impel the star wheel, or a pawl to lock fast a wheel, in a repeating timepiece. 

  • The larva of the cheese fly. 

  • A short length of electrical conductor, to make a temporary connection. Also jump wire. 

verb
  • To connect with an electrical jumper. 

pinafore

noun
  • A sleeveless dress, often similar to an apron, generally worn over other clothes, and most often worn by young girls as an overdress. 

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