music, signifies the thorough bass, as basso continuo is the continual or thorough bass, which is sometimes marked in music books by the letters B.C.

Contortion, in medicine, has many significations.

1. It denotes the iliac passion.

2. An incomplete dislocation, when a bone is in part, but not entirely, forced from its articulation.

3. A dislocation of the vertebrae of the back side-ways, or a crookedness of these vertebrae.

And, 4. A disorder of the head, in which it is drawn towards one side, either by spasmodic contraction of the muscles on the same side, or a palsy of the antagonist muscles on the other.