Spica \Spi"ca\, n.; pl. {Spicae}. [L., an ear, as of corn.] 1. (Med.) A kind of bandage passing, by successive turns and crosses, from an extremity to the trunk; -- so called from its resemblance to a spike of a barley. [1913 Webster] 2. (Astron.) A star of the first magnitude situated in the constellation Virgo. [1913 Webster] Spicate