ibid.EnglishOxford New American Dictionaryibid. /ˈibid, ˈɪbɪd / (also ib.) ▸ adverb in the same source (used to save space in textual references to a quoted work which has been mentioned in a previous reference): (ibid. p. 57). – ORIGIN abbreviation of Latin ibidem ‘in the same place’.