Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun mother-of-pearl_cloud

1 sense of mother-of-pearl cloud

Sense 1
nacreous cloud, mother-of-pearl cloud -- (a luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizon)
       => cloud -- (a visible mass of water or ice particles suspended at a considerable altitude)