frĕmĕbundus, a, um, adj. [fremo],
making a low roaring , growling , snorting , muttering , murmuring (poet.): tanta moles (Argo), Att. ap. Cic. N. D. 2, 35, 89: illapsu (elephantorum), Sil. 3, 463: tum vero praeceps (Achilles) curru fremebundus ab alto Desilit, Ov. M. 12, 128.
fremebundus adj. fremo, muttering, murmuring : tanta moles, Att. ap. C.: alquis, O. ...
An Elementary Latin Dictionary