pivot vs trolley

pivot

noun
  • A thing on which something turns; specifically a metal pointed pin or short shaft in machinery, such as the end of an axle or spindle. 

  • An element of a set to be sorted that is chosen as a midpoint, so as to divide the other elements into two groups to be dealt with recursively. 

  • Any of a row of captioned elements used to navigate to subpages, rather like tabs. 

  • A quarterback. 

  • The officer or soldier who simply turns in his place while the company or line moves around him in wheeling. 

  • Something or someone having a paramount significance in a certain situation. 

  • A circle runner. 

  • A shift during a general election in a political candidate's messaging to reflect plans and values more moderate than those advocated during the primary. 

  • A player with responsibility for co-ordinating their team in a particular jam. 

  • An element of a matrix that is used as a focus for row operations, such as dividing the row by the pivot, or adding multiples of the row to other rows making all other values in the pivot column 0. 

  • A pivot table. 

  • Act of turning on one foot. 

verb
  • To shift a political candidate's messaging during a general election to reflect plans and values more moderate than those advocated during the primary. 

  • To turn on an exact spot. 

  • To change the direction of a business, usually in response to changes in the market. 

trolley

noun
  • A trolley pole; a single-pole device for collecting electrical current from an overhead electrical line, normally for a tram/streetcar or a trolleybus. 

  • A streetcar or light train. 

  • A truck from which the load is suspended in some kinds of cranes. 

  • A soapbox car. 

  • A truck which travels along the fixed conductors in an electric railway, and forms a means of connection between them and a railway car. 

  • A light rail, tramway, trolleybus or streetcar system. 

  • A gurney, a stretcher with wheeled legs. 

  • A handcar. 

  • A hand truck. 

  • A cart or shopping cart; a shopping trolley. 

verb
  • To bring to by trolley. 

  • To travel by trolley (streetcar, trolleybus or light train). 

  • To use a trolley vehicle to go from one place to another. 

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