Enter a clue or pattern or both:
The Clue
Fast train: Abbr. (3 letter answer)
The Answer
LIM
Tags
Notes
The answer LIM is rarely seen, appearing only about once every 1800 puzzles.
Related Clues
Boundary: Abbr.
Calculus abbr.
Max. or min.
Min. or max.
55 m.p.h., e.g.
Calculus calculation: Abbr.