slot vs trimester

slot

noun
  • A period of time within a schedule or sequence. 

  • The inside of the "rim" or semicircular copy desk, occupied by the supervisor of the copy editors. 

  • A broad, flat, wooden bar, a slat, especially as used to secure a door, window, etc. 

  • The vagina. 

  • A channel opening in the stator or rotor of a rotating machine for ventilation and insertion of windings. 

  • The track of an animal, especially a deer; spoor. 

  • A crack or fissure in a glacier or snowfield; a chasm; a crevasse. 

  • A space in memory or on disk etc. in which a particular type of object can be stored. 

  • A rectangular area directly in front of the net and extending toward the blue line. 

  • A narrow depression, perforation, or aperture; especially, one for the reception of a piece fitting or sliding in it. 

  • A metal bolt or wooden bar, especially as a crosspiece. 

  • An implement for barring, bolting, locking or securing a door, box, gate, lid, window or the like. 

  • The barrel or tube of a wave. 

  • A slot machine designed for gambling. 

  • The area between the last offensive lineman on either side of the center and the wide receiver on that side. 

  • In a flying display, the fourth position; after the leader and two wingmen. 

  • The allocated time for an aircraft's departure or arrival at an airport's runway. 

verb
  • To kick the ball between the posts for a goal; to score a goal by doing this. 

  • To fall, or cause to fall, into a crevasse. 

  • To assign something or someone into a slot (gap in a schedule or sequence) 

  • To put something (such as a coin) into a slot (narrow aperture) 

  • To create a slot (narrow aperture or groove), as for example by cutting or machining. 

  • To put something where it belongs. 

  • To kill. 

trimester

noun
  • A period of three months or about three months; (financial): quarter. 

  • One of the terms of an academic year in those learning institutions that divide their teaching in three roughly equal terms, each about three months long. Compare semester. 

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