treff means A covert meeting. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
treff is pronounced /ˈtɹɛf/.
Etymology
From German Treff (“meeting point”).
noun
- A covert meeting.“The Moscow experts on treffs perform their duty with ponderous, often ridiculous, awkwardness. Before the atomic spy Allan Nunn May left Canada to go to London, a treff in London had to be arranged for him and another agent.”