Cy*cloi"de*i (s?-kloi"d?-?), n. pl. [NL., fr. Gr. circle + -oid.] Zool.

An order of fishes, formerly proposed by Agassiz, for those with thin, smooth scales, destitute of marginal spines, as the herring and salmon. The group is now regarded as artificial.

 

© Webster 1913.

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