Word Study
reboation
ROGET THESAURUS
reboation
Ululation
N ululation, cry, crying, bowwow, ululation, latration, belling, reboation, wood-note, insect cry, fritiniancy, drone, screech owl, cuckoo, wailing (lamentation), crying, blatant, latrant, remugient, mugient, deep-mouthed, full-mouthed, rebellowing, reboant, in full cry, (iii) MUSICAL SOUNDS.For further exploring for "reboation" in Webster Dictionary Online