Enter a clue or pattern or both:
The Clue
Parlors: Abbr. (3 letter answer)
The Answer
LRS
Tags
Notes
The answer LRS is so rare that it appears less than once every 2500 puzzles.
Definition
LR as a noun:
1. (lawrencium, Lr, atomic number 103) = a radioactive transuranic element synthesized from californium