The name of the river on which London is situated: also attributive and in other combinations, as in Thames barge, Thames boat, Thames-side, Thames…

Father of waters (also rivers, floods): (a name for) a large or important river, esp. (U.S.) the Mississippi. Cf. sense 6b.

With the. Usually more fully the Big Muddy. The Missouri River; (also) its affluent, the Mississippi River. U.S. colloquial.

attributive. Preceding a noun: designating something personified as familiar, respected, or influential.