| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
stethoscope steth·o·scope (stěth'ə-skōp')
n.
Any of various instruments used for listening to sounds produced within the body.
An instrument used in listening to internal body sounds. Most familiarly, physicians and nurses use it to listen to heart sounds.