Bible Dictionaries
Trillion

Webster's Dictionary

(n.) According to the French notation, which is used upon the Continent generally and in the United States, the number expressed by a unit with twelve ciphers annexed; a million millions; according to the English notation, the number produced by involving a million to the third power, or the number represented by a unit with eighteen ciphers annexed. See the Note under Numeration.

Bibliography Information
Webster, Noah. Entry for 'Trillion'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/trillion.html. 1828.