CycloideiCy*cloi"de*i\ (s?-kloi"d?-?), n. pl. [NL., fr. Gr. ky`klos circle + -oid.] (Zo["o]l.) 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.
|a gadget; dingus; thingumbob.|
|a fool or simpleton; ninny.|
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