Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ob-jăcĕo, ŭi, 2, v. n., to lie before or over against a thing (mostly post-Aug.; not in Cic. or Cæs.): Acherontem nunc obibo, ubi mortis thesauri objacent, Enn. ap. Paul. ex Fest. s. v. ob, p. 201 Müll. (Trag. v. 278 Vahl.); cf.: objacuisse ante jacuisse, Paul. ex Fest. p. 205 ib.: objacens sarcinarum cumulus, Liv. 10, 36: saxa objacentia pedibus, id. 2, 65: si qua objacent falcibus noxia colligi debent, Col. 2, 17; Front. Aquaed. 93: Graecia Ioniis fluctibus objacet, Mel. 2, 3: a meridie Aegyptus objacet, Tac. H. 5, 6.