# casus rectus

> English word · Noun

## Definitions
1. The nominative case, sometimes grouped with the vocative case, as a single morphological case contrasted with the oblique case.

## Etymology
Learned borrowing from Latin cāsus rēctus (literally “straight case”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/casus-rectus