[*] 101. Some nouns are commonly or exclusively found in the Plural ( plūrālia tantum ). Such are—
- Many names of towns: as, Athēnae (Athens), Thūriī , Philippī , Vêiī .
- Names of festivals and games: as, Olympia, the Olympic Games; Bacchānālia, feast of Bacchus; Quīnquātrūs, festival of Minerva; lūdī Rōmānī, the Roman Games.
- Names of classes: as, optimātēs, the upper classes; mâiōrēs, ancestors; līberī, children; penātēs, household gods; Quirītēs, citizens (of Rome).
- Words plural by signification: as, arma, weapons; artūs, joints; dīvitiae, riches; scālae, stairs; valvae, folding-doors; forēs, double-doors; angustiae, a narrow pass (narrows); moenia, city walls.
[*] Note 1.--Some words, plural by signification in Latin, are translated by English nouns in the singular number: as, dēliciae, delight, darling; faucēs, throat; fidēs, lyre (also singular in poetry); īnsidiae, ambush; cervīcēs, neck; viscera, flesh.
[*] Note 2.--The poets often use the plural number for the singular, sometimes for metrical reasons, sometimes from a mere fashion: as, ōra (for ōs ), the face; scēptra (for scēptrum ), sceptre; silentia (for silentium ), silence.