| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
vancomycin van·co·my·cin (vāng'kə-mī'sĭn, vān'kə-)
n.
An antibiotic that is produced by the actinomycete Streptomyces orientalis, and is effective against staphylococci and spirochetes.