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Meaning of palindrome

pal•in•drome

Pronunciation: (pal'in-drōm"), [key]
— n.
  1. a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
  2. a region of DNA in which the sequence of nucleotides is identical with an inverted sequence in the complementary strand: GAATTC is a palindrome of CTTAAG.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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