Wordnet Synset 15321930-n
http://lila-erc.eu/data/lexicalResources/LatinWordNet/id/LexicalConcept/15321930-n an entity of type: LexicalConcept
(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded
Wordnet Synset 15321930-n