dextras
dextras is a Latin form of dexter, meaning “right (hand); favorable”. It is the accusative plural feminine adjective.
Found 80 times in the Latin texts on Socratos.
Where it is used
Vergil, Aeneid 1.514: laetitiaque metuque; avidi coniungere dextras
All forms of dexter (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.