pig Latin definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a playful secret language in which each word is spoken beginning with its first vowel and any preceding consonants are moved to the end to form a new syllable with the vowel sound (ā), as “oybay” for boy: a word beginning with a vowel can be handled variously, as in “armay,” “armway,” or “armhay” for arm
pig Latin definition by American Heritage Dictionary
A jargon systematically formed by the transposition of the initial consonant to the end of the word and the suffixation of an additional syllable, as igpay atinlay for pig Latin.