LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

perlucidus

perlucidus (feminine perlucida, neuter perlucidum)
Classical[pɛrˈɫʊ.kɪ.dʊs]Ecclesiastical[perˈluː.t͡ʃi.dus]

Meaning

  1. adjectivetransparent, pellucid

Latīnē defined in Latin in our graded readers

Choosing the right word Döderlein's Latin Synonyms

Perlucidus · Pellucidus · Perlegere · Pellegere · Perlicere · Pellicere · Perjurare · Pejerare

1. Perlucidus means very bright, whereas pellucidus, transparent. Cic. Civ. i. 57. 2. Perlegere means to read through, that is, from beginning to end; whereas pellegere, to read over, that is, not to leave unread. Plaut. Pseud. i. 1. 3. Perlicere means completely to inveigle, Liv. iv. 15. Tac. Ann. xiii. 48; whereas pellicere, to lead astray. 4. Perjurare means to swear falsely; pejerare, to violate an oath. (ii. 82.)

Declension

singular
formmasculinefeminineneuter
nominativeperlucidusperlucidaperlucidum
genitiveperlucidīperlucidaeperlucidī
dativeperlucidōperlucidaeperlucidō
accusativeperlucidumperlucidamperlucidum
ablativeperlucidōperlucidāperlucidō
vocativeperlucideperlucidaperlucidum
plural
formmasculinefeminineneuter
nominativeperlucidīperlucidaeperlucida
genitiveperlucidōrumperlucidārumperlucidōrum
dativeperlucidīsperlucidīsperlucidīs
accusativeperlucidōsperlucidāsperlucida
ablativeperlucidīsperlucidīsperlucidīs
vocativeperlucidīperlucidaeperlucida

Charlton Lewis's shorter dictionary for students: the same scholarship in plain, modern definitions.

per-lūcidus (pellu-) adj.
with comp, transparent, pellucid: pulvinus: membrana: fons, O.: Arcanique fides prodiga perlucidior vitro, H.— Extremely bright: stella.

Quick answers

What does perlucidus mean in Latin?
perlucidus, a adjective, means “transparent, pellucid”.
How do you pronounce perlucidus?
In classical Latin, [pɛrˈɫʊ.kɪ.dʊs]; in ecclesiastical (church) Latin, [perˈluː.t͡ʃi.dus].