ternis

ternis is a Latin form of terni, meaning “three each, three at a time”. It is the ablative plural neuter adjective or ablative plural feminine adjective or ablative plural masculine adjective or dative plural neuter adjective.

Found 34 times in the Latin texts on Socratos.

Where it is used

Caesar, De Bello Civili 1.26: … ontra haec Pompeius naves magnas onerarias, quas in portu Brundisino deprehenderat, adornabat. Ibi turres cum ternis tabulatis erigebat easque multis tormentis et omni genere telorum completas ad opera Caesaris appellebat, ut …

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.