418. Some substantives have different meanings in the two numbers: as,

#aedis#, _temple_, #aedēs#, _house_; #auxilium#, _aid_, #auxilia#,

_auxiliaries_; #carcer#, _jail_, #carcerēs#, _race-barriers_; #Castrum#,

_Castle_, #castra#, _camp_; #comitium#, _meeting-place_, #comitia#,

_election_; #cōpia#, _abundance_, #cōpiae#, _troops_; #facultās#,

_ability_, #facultātēs#, _wealth_; #fīnis#, _end_, #fīnēs#,

_boundaries_; #grātia#, _favour_, #grātiae#, _thanks_; #impedīmentum#,

_hindrance_, #impedīmenta#, _baggage_; #littera#, _letter (of the

alphabet)_, #litterae#, _epistle_; #rōstrum#, _beak_, #rōstra#,

_speakers stand_. See also #aqua#, #bonum#, #fortūna#, #lūdus#, #opera#,

#pars#, in the dictionary.

A Latin Grammar for Schools and Colleges · 第 133 / 808 题