cock vs vacuum tube

cock

noun
  • A valve or tap for controlling flow in plumbing. 

  • The penis. 

  • The circle at the end of the rink. 

  • The state of being cocked; an upward turn, tilt or angle. 

  • Vulva, vagina. 

  • Shuttlecock. 

  • A male fish, especially a salmon or trout. 

  • A cock pigeon. 

  • The bridge piece that affords a bearing for the pivot of a balance in a clock or watch. 

  • Hay-cock, a small conical pile of hay. 

  • The crow of a cock, especially the first crow in the morning; cockcrow. 

  • A rooster: a male gallinaceous bird, especially a male domestic chicken (Gallus gallus domesticus). 

  • The style or gnomon of a sundial. 

  • The hammer of a firearm trigger mechanism. 

  • Nonsense; rubbish; a fraud. 

  • A man; a fellow, especially as a term of address. 

  • A vane in the shape of a cock; a weathercock. 

  • The indicator of a balance. 

  • A stupid, obnoxious or contemptible person. 

  • A boastful tilt of one's head or hat. 

verb
  • To turn or twist something upwards or to one side; to lift or tilt (e.g. headwear) boastfully. 

  • To lift the cock of a firearm or crossbow; to prepare (a gun or crossbow) to be fired. 

  • To copulate with; (by extension, as with fuck) to mess up, to damage, to destroy. 

  • To be prepared to be triggered by having the cock lifted. 

  • To erect; to turn up. 

  • To form into piles. 

intj
  • Expression of annoyance. 

vacuum tube

noun
  • A type of electron tube that controls electron current through vacuum between electrodes within a sealed container, usually of glass or metal and often designed to be easily installed in and removed from the equipment in which it is used. 

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