A small dry particle.

And why beholdest thou the MOTE that is in thy brother's eye, but considerest not the beam that is in thine own eye? Or how wilt thou say to thy brother, Let me pull out the MOTE out of thine eye; and, behold, a beam is in thine own eye? ( Matthew 7:3-4 )

Dictionary of Words from the King James Bible. Public Domain. Copy freely.