A Grammatical Dictionary of Botanical Latin

Hora,-ae (s.f.I), abl. sg. hora: an hour; “a twelfth part of the day between sunrise and sunset; the time (by the clock); (in pl., horae =) a clock; (singular) a particular hour of the day or night; the appointed hour; the duration of an hour; a season of the year; the duration of human life” (Glare); see ‘hourly;’ see ‘time;’

- in horas: from hour to hour, hourly.

- ad horam: at the appointed time, punctually.

- omnibus horis: at all hours, at all times.

- hora lunaris: a twelfth part of the night between sunset and sunrise.

- horae antemeridiales, the hours before noon.

- inter horam tertiam et quartam, within the time between the third and fourth hour.

- per horam (acc.sg.) by the hour, hourly.

- Horae, the Hours, daughters of Jupiter and Themis, goddesses that presided over the changes of the seasons and kept watch at the gates of heaven (Lewis & Short); “the personified hours or seasons” (Glare).

- “Quaque dies medius flagrantibus aestuat horis,” (Ray), every noontime boils with flaming hours [i.e. hours on fire].

– thermometrum aestate a 26 gradibus usque ad 32 ascendit, sed calores ventis circa horam nonam matutinis e mare spirantibus nocturnisque roribus temperantur (Desf.), the thermometer in summer rises from 26 degrees to 32 [degrees], but the heats are regulated by the morning winds around the nineth hour blowing from the sea, and by the night damps [i.e. dews].

Semihora,-ae (s.f.I), abl. sg. semihora: half an hour.

Trihorium,-ii (s.n.II), abl.sg. trihorio: (tres-hora) “the space of three hours, three hours” (Lewis & Short).

(PHARM.) all in ablative case:

Hora alterna, every other hour (abl.sg.)

Hora una, at 1 o-clock.

Hora secunda, at 2 o-clock.

Hora somni, at bedtime (at the hour of sleep)

Horae quadrans, a quarter of an hour [horae = gen.sg.].

Horae tres quadrantes, three quarters of an hour [horae = gen.sg.].

Horis secundis, tertiis, &c., every two, three, &c. hours.

Horis mediis inter cibos, (in the hours) half way between meals.

Quaque (omni) hora secunda, tertia, &c., at every second, third, &c. hour.

[pharm.] singulis horis, every hour; omni hora, every hour (Bennitt); singulis horis, ‘hour by hour,’ hourly, each hour [hora,-ae (s.f.I), hour].