LATIN DICTIONARYLexicon Latīnum
adjectivethird-declension one-termination adjective

interstes

interstes (genitive interstitis)
Classical[ɪnˈtɛr.stɛs]Ecclesiastical[inˈtɛr.stes]

Meaning

  1. EcclesiasticalLatinone terminationstanding between or among
    si desierunt vetera et coeperunt nova interstite IohanneTranslation by Ernest Evans if old things have come to an end, and new things have begun, with John as the point of division207 CE – 208 CE, Tertullianus, Adversus Marcionem 4.33

Declension

singular
formmasculinefeminineneuter
nominativeinterstesinterstesinterstes
genitiveinterstitisinterstitisinterstitis
dativeinterstitīinterstitīinterstitī
accusativeinterstiteminterstiteminterstes
ablativeinterstitī
interstite		interstitī
interstite		interstitī
interstite
vocativeinterstesinterstesinterstes
plural
formmasculinefeminineneuter
nominativeinterstitēsinterstitēsinterstitia
genitiveinterstitiuminterstitiuminterstitium
dativeinterstitibusinterstitibusinterstitibus
accusativeinterstitīs
interstitēs		interstitīs
interstitēs		interstitia
ablativeinterstitibusinterstitibusinterstitibus
vocativeinterstitēsinterstitēsinterstitia

interstĕs, stĭtis, adj. intersto,
I. that stands or is between or among (eccl. Lat.), Tert. adv. Marc. 4, 33.

Origins

From interstō.

Quick answers

What does interstes mean in Latin?
interstes, a adjective, means “standing between or among”.
How do you pronounce interstes?
In classical Latin, [ɪnˈtɛr.stɛs]; in ecclesiastical (church) Latin, [inˈtɛr.stes].