1. A kind of bandage passing, by successive turns and crosses, from an extremity to the trunk; so called from its resemblance to a spike on a grain of barley: "Jaden had his broken finger covered with a spica or a strip of soft interwoven material so the finger could not be moved until it healed."
2. A star of the first magnitude situated in the constellation Virgo: "A Spica is one of the brightest stars in the constellation Virgo."