plural of calcedony

Not discerning.

(dated) A man with a reputation for fine dress and etiquette; a dandy or fop. / (dated) A male lover; a boyfriend. / A male escort. / A suitor of a lady.

(measuring instrument) A device consisting principally of an alcohol thermometer, used to measure air cooling power and, indirectly, small wind speeds in circulating air, by measuring the time take...