§87. Gender in the Third Declension
Neuter are nouns in -a, -e, -l, -n, -ar, -ur, -ŭs: as, poēma, mare, animal, nōmen, calcar, rōbur, corpus; also lac and caput.
Exceptions are the following:—
a. Masculine are sāl, sōl, pecten, vultur, lepus.
b. Feminine is pecus (gen. -udis).
J. H. Allen and J. B. Greenough, New Latin Grammar (Boston: Ginn, 1903). Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities.