An anagram is a word formed by rearranging all the letters of another word, using each letter exactly once. These words use every letter from "IHNAGMS":
To convert into a mash; to reduce to a soft pulpy state by beating or pressure; to bruise; to crush; as, to mash apples in a mill, or potatoes with a pestle. Specifically (Brewing), to convert, as malt, or malt and meal, into the mash which makes wort.