lieutenant junior grade vs pavilion

lieutenant junior grade

noun
  • A commissioned officer of the United States Navy whose rank is above an ensign's and below a lieutenant, or a corresponding rank in other navies. 

  • A commissioned officer in the United States Coast Guard, Public Health Service, or National Atmospheric and Oceanic Administration whose rank is above an ensign and below a lieutenant. 

pavilion

noun
  • A flag, ensign, or banner. 

  • An ornate tent. 

  • A light roofed structure used as a shelter in a public place. 

  • The fimbriated extremity of the Fallopian tube. 

  • The lower surface of a brilliant-cut gemstone, lying between the girdle and collet. 

  • A flag or ensign carried at the gaff of the mizzenmast. 

  • The cartiliginous part of the outer ear; auricle. 

  • A detached or semi-detached building at a hospital or other building complex. 

  • The building where the players change clothes, wait to bat, and eat their meals. 

  • A covering; a canopy; figuratively, the sky. 

  • A tent used as a bearing. 

  • A structure, sometimes temporary, erected to house exhibits at a fair, etc. 

verb
  • To furnish with a pavilion. 

  • To put inside a pavilion. 

  • To enclose or surround (after Robert Grant's hymn line "pavilioned in splendour"). 

How often have the words lieutenant junior grade and pavilion occurred in a corpus of books? (source: Google Ngram Viewer )