Definitions of minuscule:

• noun:   a small cursive script developed from uncial between the 7th and 9th centuries and used in medieval manuscripts
• noun:   the characters that were once kept in bottom half of a compositor's type case
• adjective:   very small

  Example: "A minuscule kitchen"

• adjective:   of or relating to a small cursive script developed from uncial; 7th to 9th centuries
• adjective:   lowercase

  Example: "E.e.cummings's poetry is written all in minuscule letters"