| coll | Eastern United States plant with whorls of blue-and-white flowers |
|---|---|
| coll | small genus of perennial erect or spreading aromatic herbs |
| coll | erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers |
| coll | United States railroad executive who built the western section of the first United States transcontinental railroad (1821-1900) |
| coll | a conflict of opposed ideas or attitudes or goals |
| coll | an accident resulting from violent impact of a moving object |
| coll | (physics) an brief event in which two or more bodies come together |
| coll | a course of action (following a given philosophy) that will lead to conflict if it continues unabated |
| coll | a course of a moving object that will lead to a collision if it continues unchanged |
| coll | a genus of Apodidae |
| coll | swift of eastern Asia |
| coll | group or chunk together in a certain order or place side by side |