A palindrome is a word, phrase, line, or even longer passage that reads the same backward as forward when spacing and punctuation are ignored. Poets and writers use palindromes for sound play, symmetry, and technical ingenuity.
In verse, a palindrome may appear as a single mirrored line or as a larger palindromic poem built around the same forward-and-backward pattern.
Example
Step on no pets
Or:
Madam, I'm Adam.