| OC | that part of the cerebral cortex in either hemisphere of the brain lying in the back of the head |
|---|---|
| OC | prominence on the outer surface of the occipital bone |
| OC | a vein that drains the occipital region |
| OC | the suture between the occipital and the temporal bones |
| OC | back part of the head or skull |
| OC | the medieval dialects of Langue d'oc |
| OC | block passage through |
| OC | (of a substance) taken into and retained in another substance |
| OC | closed off |
| OC | (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft |
| OC | the act of blocking |
| OC | an obstruction in a pipe or tube |