Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
rĕvŏlūbĭlis, e, adj. [revolvo], that may be rolled back (poet.): pondus (i. e. saxum), Ov. Ib. 193: unda, Sil. 15, 237: orbita, Aus. Ecl. Nomin. Sept. Dier. 12.
Fig.: juro ego Fatorum nulli revolubile carmen, Prop. 4 (5), 7, 51: saxum, Sil. 11, 476.