Pater
Latin term for "father." The term may appear spelled several different ways in historical documents according to its grammatical usage in the sentence, as shown in the following table:
| Case | Singular | Plural |
| Nominative | pater | patres |
| Vocative | pater | patres |
| Accusative | patrem | patres |
| Genitive | patris | patrum |
| Dative | patri | patribus |
| Ablative | patre | patribus |