n. Printing 1 a unit of type-size (1/6 inch).
2 a size of letters in typewriting (10 per inch).
Etymology: AL pica 15th-c. book of rules about church feasts, perh. formed as PIE(2)
2.
n. Med. the eating of substances other than normal food.
Etymology: mod.L or med.L, = magpie
Useful english dictionary. 2012.