PICA Meaning of PICA in English n. Printing 1 a unit of type-size (1/6 inch). 2 a size of letters in typewriting (10 per inch). [ AL pica 15th-c. book of rules about church feasts, perh. formed as PIE(2) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012