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Definition of moorish idol
moorish idol
Plural:Moorish idols
• noun
1
A striking, laterally compressed marine fish (Zanclus cornutus) native to tropical and subtropical reefs of the Indo-Pacific, easily recognized by its vivid vertical black, white, and yellow bands and an exceptionally long, trailing dorsal fin.
Example
"While snorkeling over the vibrant Hawaiian coral reef, the marine biology students spotted a solitary Moorish idol gracefully foraging for sponges."
Word Nuance & Usage
The Moorish idol is frequently confused with the visually similar pennant coralfish (or schooling bannerfish), but can be distinguished by its more prominent, tubular snout and the presence of a small, horn-like projection over the eyes in older individuals.
• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Moorish idol. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/moorish-idol