PATRUUS, civil law. An uncle by the father's side, a father's brother. Dig. 38, 10, 10, Patruus magnus, is a grandfather's brother, grand uncle. Patruus major, is a great-grandfather's brother. Patruus maximus, is a, great- grandfather's father's brother.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
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The analysis of the expression of possession was done on the following nouns: body parts: auris 'ear', caput 'head', corpus Tbody', manus 'hand', oculus 'eye', os 'mouth', pes 'foot' (including those examples in which the nouns are used with a different meaning, but which also express the part-whole relation, such as os aedium 'door of the house'); kin terms: avus 'grandfather', gnata 'daughter', gnatus 'son', filia 'daughter', filius 'son', frater 'brother', mater 'mother', nepos 'grandson', nepotulus 'little grandson', pater 'father', patruus 'uncle', prognatus 'son', soror 'sister', uxor 'wife', and five other nouns which are categorized differently depending on the author: anima 'soul', animus 'soul', ingenium 'nature, temperament', nomen 'name', vita 'life'.
(11.) For this problematic line, both Lindsay's OCT and Emout's Bude mark Patruus as Plautus' Latin alternative title to Carchedonius.
Latin distinguished lexically between "mother's brother" ('avunculus') and "father's brother" ('patruus'); in modern French these two relatives share a single term (derived from 'avunculus')-'oncle'.