The Collaborative International Dictionary of English v.0.48:
Ibidem \I*bi"dem\, adv. [L.] In the same place; -- abbreviated ibid. or ib. [1913 Webster]WordNet (r) 3.0 (2006):
ibidem adv 1: in the same place (used when citing a reference) [syn: ibid., ib., ibidem]