What is the meaning of minuscule?

noun

• The characters that were once kept in bottom half of a compositor's type case.
  • synonyms: small letter, lowercase, lower-case letter
• A small cursive script developed from uncial between the 7th and 9th centuries and used in medieval manuscripts.

adjective

• Of or relating to a small cursive script developed from uncial; 7th to 9th centuries.
  • synonyms: minuscular
• Lowercase.
  • usage: "little a"; "small a"; "e. E. Cummings's poetry is written all in minuscule letters"
  • synonyms: little, small
• Very small.
  • usage: "a minuscule kitchen"; "a minuscule amount of rain fell"
  • synonyms: miniscule