Meaning That is
Type Acronym
Rank ★ ★ ★  Common
Usage General (not just online)
Comments I.E. is short for "Id Est," which is Latin for "That Is." It is similar to saying "for example," but typically refers to a specific case. See also "eg."
Example "I usually put winter tires on my car for about four months a year, i.e. Decemeber, January, February, and March."
Updated May 15, 2010