Scotch mist

Noun

Meaning

(Britain) A cold and penetrating mist, verging on rain.

(Britain, dialect, chiefly Lancashire and Yorkshire, idiomatic) Something that is hard to find or does not exist.

A drink of Scotch whisky served with ice and lemon peel.

The perennial flowering plant Galium sylvaticum.

Source: en.wiktionary.org

rainfall rainwater haar pea-souper wood bedstraw

An umbrella is of no avail against a Scotch mist. James Russell Lowell