[*] 85. Masculine are nouns in -or, -ōs, -er, -ĕs (gen. -itis), -ex (gen. -ĭcis): as, color, flōs, imber , gurges ( gurgitis ), vertex ( verticis ). Exceptions are the following:— [*] a. Feminine are arbor; cōs, dōs; linter. [*] b. Neuter are ador , aequor , cor , marmor; ōs ( ōris ); also os ( ossis ); cadāver, iter , tūber, ūber , vēr; and names of plants and trees in -er: as, acer, papāver.
[*] 85. Masculine are nouns in -or, -ōs, -er, -ĕs (gen. -itis), -ex (gen. -ĭcis): as, color, flōs, imber , gurges ( gurgitis ), vertex ( verticis ). Exceptions are the following:— [*] a. Feminine are arbor; cōs, dōs; linter. [*] b. Neuter are ador , aequor , cor , marmor; ōs ( ōris ); also os ( ossis ); cadāver, iter , tūber, ūber , vēr; and names of plants and trees in -er: as, acer, papāver.