Wiktionary
id.
abbr. 1 (context bibliography English) Abbreviation of the Latin (term idem lang=la same). Used in citations to state that the citation is found in the same work as the one previously cited. 2 (context computing English) Abbreviation of identifier 3 Abbreviation of identification alt. 1 (context bibliography English) Abbreviation of the Latin (term idem lang=la same). Used in citations to state that the citation is found in the same work as the one previously cited. 2 (context computing English) Abbreviation of identifier 3 Abbreviation of identification
Usage examples of "id.".
The beast feeds on pain and rage, sort of the ultimate id. I was left kneeling, gasping, too breathless to scream.