palindrome
Concise Oxford English Dictionary © 2008 Oxford University Press:
palindrome /ˈpalɪndrəʊm/
▶noun a word or sequence that reads the same backwards as forwards, e.g. madam.
– derivatives
palindromic /-ˈdrɒmɪk/ adjective,
palindromist noun.
palindromic /-ˈdrɒmɪk/ adjective,
palindromist noun.
– origin C17: from Gk palindromos ‘running back again’.
'palindrome' also found in these Oxford entries:

