Thames

American  

[temz, theymz, teymz, temz] / tɛmz, θeɪmz, teɪmz, tɛmz /

noun

1. a river in S England, flowing E through London to the North Sea. 209 miles (336 km) long.

2. a river in SE Canada, in Ontario province, flowing SW to Lake St. Clair. 160 miles (260 km) long.

3. an estuary in SE Connecticut, flowing S past New London to Long Island Sound. 15 miles (24 km) long.

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Thames British  

noun

1. Ancient name: Tamesis.  a river in S England, rising in the Cotswolds in several headstreams and flowing generally east through London to the North Sea by a large estuary. Length: 346 km (215 miles)

2. a river in SE Canada, in Ontario, flowing south to London, then southwest to Lake St Clair. Length: 217 km (135 miles)

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Example Sentences

Thames Valley Police said it arrested a 40-year-old woman from Milton Keynes on Thursday on suspicion of assisting an offender in connection with efforts to locate Sakyi.

From BBC • Jul. 5, 2026

Thames Water, which operates the local drainage network, said it was "urgently investigating the pollution incident" but its cause is yet to be determined.

From BBC • Jul. 3, 2026

Nationally, he might be able to nationalize Thames Water, a troubled utility serving southern England, but bigger targets are constrained by the budget deficit.

From The Wall Street Journal • Jun. 25, 2026

Thames Water's main group of lenders - known as London & Valley Water - has put forward a rescue plan that would involve injecting billions in fresh investment.

From BBC • Jun. 16, 2026

La Belle Sauvage was bobbing comfortably on the water, which had lost the racing fury of the past days and was now flowing steadily, faster than the Thames in Port Meadow, but not much.

From "The Book of Dust: La Belle Sauvage" by Philip Pullman