vallibus
vallibus is a Latin form of valles, meaning “valley”. It is the ablative plural feminine noun or dative plural feminine noun.
Found 50 times in the Latin texts on Socratos.
Where it is used
Cicero, De Republica 2.11: … abundantem et in regione pestilenti salubrem; colles enim sunt, qui cum perflantur ipsi, tum adferunt umbram vallibus.
Propertius, Elegiae 4.1.65: scandentis quisquis cernit de uallibus arces,
All forms of valles (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.