\Pi"ca\, n. [L. pica a pie, magpie; in sense 3 prob. named
from some resemblance to the colors of the magpie. Cf. {Pie}
magpie.]
1. (Zo["o]l.) The genus that includes the magpies.
2. (Med.) A vitiated appetite that craves what is unfit for
   food, as chalk, ashes, coal, etc.; chthonophagia.
3. (R. C. Ch.) A service-book. See {Pie}. [Obs.]
4. (Print.) A size of type next larger than small pica, and
   smaller than English.
Note: This line is printed in pica
Note: Pica is twice the size of nonpareil, and is used as a
      standard of measurement in casting leads, cutting
      rules, etc., and also as a standard by which to
      designate several larger kinds of type, as double pica,
      two-line pica, four-line pica, and the like.
{Small pica} (Print.), a size of type next larger than long
   primer, and smaller than pica.
Note: This line is printed in small pica