ratus

Pronunciation

• (Classical) IPA^(key): /ˈra.tus/, [ˈrät̪ʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈra.tus/, [ˈräːt̪us]

Etymology 1

Perfect active (or passive, with active meaning) participle of reor (“I think, I consider”).

Participle

ratus (feminine rata, neuter ratum); first/second-declension participle

1. considered, having considered.
2. judged, having judged

Declension

First/second-declension adjective.

Number	Singular				Plural
Case / Gender	Masculine	Feminine	Neuter		Masculine	Feminine	Neuter
Nominative	ratus	rata	ratum		ratī	ratae	rata
Genitive	ratī	ratae	ratī		ratōrum	ratārum	ratōrum
Dative	ratō		ratō		ratīs
Accusative	ratum	ratam	ratum		ratōs	ratās	rata
Ablative	ratō	ratā	ratō		ratīs
Vocative	rate	rata	ratum		ratī	ratae	rata

Adjective

ratus (feminine rata, neuter ratum); first/second-declension adjective

1. established, authoritative
2. fixed, certain

Declension

First/second-declension adjective.

Number	Singular				Plural
Case / Gender	Masculine	Feminine	Neuter		Masculine	Feminine	Neuter
Nominative	ratus	rata	ratum		ratī	ratae	rata
Genitive	ratī	ratae	ratī		ratōrum	ratārum	ratōrum
Dative	ratō		ratō		ratīs
Accusative	ratum	ratam	ratum		ratōs	ratās	rata
Ablative	ratō	ratā	ratō		ratīs
Vocative	rate	rata	ratum		ratī	ratae	rata

Derived terms

• irritus

Etymology 2

Noun

ratus m (genitive ratī); second declension

1. Alternative form of rattus (“rat”)

Declension

Second-declension noun.

Case	Singular	Plural
Nominative	ratus	ratī
Genitive	ratī	ratōrum
Dative	ratō	ratīs
Accusative	ratum	ratōs
Ablative	ratō	ratīs
Vocative	rate	ratī