A Kabbalistic method of interpreting Hebrew words, based on numerical values of letters.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "gematria" in a sentence
"Centuries later, Jews would repay the compliment by appropriating the Greek word geometry and creating the word gematria, which is Hebrew for"
"According to this ancient system of ciphers (called gematria), the meaning of the Hebrew word for "serpent" matches that of another word: "messiah.""
"This practice is known as gematria - a way of deciphering information from ancient Hebrew texts based on commonalities in the numerical significance of certain words."