ubere
ubere is a Latin form of uber, meaning “(noun) udder, breast; fertility; (adj.) rich, fertile, plentiful”. It is the ablative singular neuter noun.
Found 40 times in the Latin texts on Socratos.
Where it is used
Vergil, Eclogues 3.30: bis venit ad mulctram, binos alit ubere fetus—
Lucan, Civil War 3.68: Ubere vix glebae superat, cessantibus Austris,
All forms of uber (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.