squirrel – Wiktionary

Any of the rodents of the family Sciuridae distinguished by their large bushy tail. 1865, Henry David Thoreau, Cape Cod, Chapter IX. “The Sea and the Desert”, page 187. He also said that minks, muskrats, foxes, coons, and wild mice were found there, but no squirrels.· (Scientology, often derogatory) A person, usually a freezoner, who applies L. Ron …

: https://en.m.wiktionary.org/wiki/squirrel