| Singular | Plural | |
|---|---|---|
| Nominativ | ballista, ballistaeque | ballistae |
| Genitiv | ballistae, ballistai | ballistarum, ballistum |
| Dativ | ballistae, ballistai | ballistis, ballistabus |
| Akkusativ | ballistam | ballistas |
| Ablativ | ballista, ballistaeque, ballistad | ballistis, ballistabus |
| Vokativ | ballista, ballistaeque | ballistae |
12 (23) Formen für „ballista“