| 1. | a river in S England, flowing E through London to the North Sea. 209 mi. (336 km) long. |
| 2. | a river in SE Canada, in Ontario province, flowing SW to Lake St. Clair. 160 mi. (260 km) long. |
| 3. | an estuary in SE Connecticut, flowing S past New London to Long Island Sound. 15 mi. (24 km) long. |
Longest river in England, flowing generally eastward across southern England and through London to the North Sea.
Note: During industrialization in England, the Thames was particularly important because industries were established on the banks of the river. It passes famous buildings in London, such as the Tower of London and the Houses of Parliament.