What is the meaning of Integer?

English Wikipedia has an article on:
Wikipedia
A number that is not a fraction; an element of the infinite and numerable set {..., -3, -2, -1, 0, 1, 2, 3, ...}.

honest, trustworthy, having integrity

with integrity, of integrity

complete, whole, intact, uninjured, sound, healthy

friendly

complete, whole, intact

Source: wiktionary.org