close-tiled
adj1
Freemasonry, Lifestyle Of a lodge, having been sealed against intrusions from unauthorised people.
2
Figuratively In secret; in private.
- "I say, young fellah, I hope you don't mind - what? You see, between you an' me close-tiled, I look on this South American business as a mighty serious thing, and if I have a pal with me I want a man I can bank on."1912, Arthur Conan Doyle, The Lost World […], London; New York, N.Y.: Hodder and Stoughton, →OCLC: