bolt [-s] n

OE 'cross-bow arrow'.

  1. Jolt; energetic piece; forceful segment; piercing tune; insistent musical line; [word play] textile; roll of cloth.
  2. Latch; lock; fastener; securing bar; object used to hold something closed.
  3. Flash; discharge of lightning; sudden charge of electricity; [fig.] startling inspiration; instance of intense understanding; moment of keen enlightenment.

bolt [-s] v

see bolt, n.

  1. Lock; latch; bar; secure; close completely; (see 2 Samuel 13:17-18).