A river in England that flows for about 113 km (70 mi) to the Irish Sea at Liverpool.

(slang) Low-grade or commercial-grade marijuana.

plural of Merseysider

Someone from Merseyside.

Obsolete form of immersion.

Alternative form of mereswine

plural of mersnake

A sea snake. / (fantasy) A mermaid snake.

(number theory) A prime number which is one less than a power of two (i.e., is expressible in the form 2ⁿ-1; for example, 31=2⁵-1).

(pharmacology) An organomercury compound.