What is (a) Having the coronal feathers lengthened or otherwise distinguished; -- said of birds. (b) Girt about the spire with a row of tubercles or spines; -- said of spiral shells called?

coronate — (Zoöl.) (a) Having the coronal feathers lengthened or otherwise distinguished; -- said of birds. (b) Girt about the spire with a row of tubercles or spines; -- said of spiral shells. (Webster's 1913.)

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