1. 1. In typesetting, a point system of measurement equivalent to twelve points or 4.217mm.
2. 12点活字
语源
late 16th cent.: from Anglo-Latin pica (literally magpie'), commonly identified with a 15th-cent. book of rules about Church feasts, but no edition of such a pica printed in ‘pica’ type is knownmid 16th cent.: modern Latin, from Latin, literally magpie', probably translating Greek kissa 'magpie', also 'false appetite'