| a chattering or flighty, light-headed person. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
straitjacket strait·jack·et or straight·jack·et (strāt'jāk'ĭt)
n.
A long-sleeved jacketlike garment used to bind the arms tightly against the body as a means of restraining a violent person.