Source : Webster's Revised Unabridged Dictionary (1913)

Infraspinate \In`fra*spi"nate\, Infraspinous \In`fra*spi*nous\,
   a. [Infra + spinate, spinous.] (Anat.)
   Below the spine; infraspinal; esp., below the spine of the
   scapula; as, the infraspinous fossa; the infraspinate muscle.