A Quote by Lewis Carroll on words and meaning

Well, "slithy" means "lithe and slimy."  "Lithe" is the same as "active."  You see it's like a portmanteau - there are two meanings packed up into one word.

Lewis Carroll (1832 - 1898)

Source: Through the Looking Glass and What Alice Found There, Pages: Chapter 6

Contributed by: Tsuya