What is the meaning of Mash?

A mass of mixed ingredients reduced to a soft pulpy state by beating or pressure; a mass of anything in a soft pulpy state.

Ground or bruised malt, or meal of rye, wheat, corn, or other grain (or a mixture of malt and meal) steeped and stirred in hot water for making the wort.

Mashed potatoes.

A mixture of meal or bran and water fed to animals.

A mess; trouble.

To convert into a mash; to reduce to a soft pulpy state by beating or pressure

In brewing, to convert (for example malt, or malt and meal) into the mash which makes wort.

To press down hard (on).

To press. (Can we add an example for this sense?)

To prepare a cup of tea in a teapot; to brew (tea).

To act violently.

To press (a button) rapidly and repeatedly.

A mesh.

To flirt, to make eyes, to make romantic advances.

An infatuation, a crush, a fancy.

A dandy, a masher.

The object of one’s affections .

A gun.

Alternative form of maash (mung bean)

Source: wiktionary.org