Enter a clue or pattern or both:
The Clue
Mammal that's long in the tooth (7 letter answer)
The Answer
NARWHAL
Tags
Notes
The answer NARWHAL is so rare that it appears less than once every 2500 puzzles.
Definition
NARWHAL as a noun:
1. (narwhal, narwal, narwhale, Monodon monoceros) = small arctic whale the male having a long spiral ivory tusk