Gallis
Gallis is a Latin form of Gallus, meaning “Gallic; a Gaul; (name) Gallus”.
It can also be a form of Galli, “the Gauls”. It is the ablative plural masculine noun or dative plural masculine noun.
Found 177 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.25.3: Gallis magno ad pugnam erat impedimento quod pluribus eorum scutis uno ictu pilorum transfixis et conligatis, cum ferrum se inflexisset, neque evellere neque sinistra impedita satis commode pugnare poterant,
Horace, Sermones 1.2.121: gallis, hanc Philodemus ait sibi, quae neque magno
Florus, Epitome Rerum Romanorum 1.20.4.1: GALLIS Insubribus, et his accolis Alpium, animi ferarum, corpora plus quam humana erant, sed— experimento deprehensu …
All forms of Gallus (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.