Ibid, short for the Latin word ibidem, is defined as "in the same place" and is generally used in a footnote or reference citation to mean that the source is the same as the source referred to in the last footnote.
An example of ibid is "The project created positive results for the most part (Johnson 5), but it also created some unintended negative results such as fungus growth (Ibid)."
Origin of ibid.Classical Latin ibidem in the same place: used in referring again to the book, page, etc. cited just before
- (bibliography) Abbreviation of ibidem, in the same place. Indicates a reference to the same source as the previous one.
- Alternative form of ibid. ("in the same place")
ibid. - Legal Definition
When citing a work, indicates that the citation is to the same volume and page as the previous citation.