buttermilk biscuit buttermilk biscuit /ˈbʌtərmɪlk ˈbɪskɪt/

noun

1. Very tender biscuit partially leavened with buttermilk and soda  ( buttermilk biscuit , soda biscuit )
   very tender biscuit partially leavened with buttermilk and soda
   
   

 ruby-crowned kinglet ruby-crowned kinglet /ˈruːbi kraʊnd ˈkɪŋlɪt/

noun

1. American kinglet with a notable song and in the male a red crown patch  ( Regulus calendula , ruby-crowned kinglet , ruby-crowned wren )
   American kinglet with a notable song and in the male a red crown patch
   
   

 uncial uncial /ˈʌnsiəl/

adjective

1. Relating to or written in majuscule letters (which resemble modern capitals)  ( uncial )
   relating to or written in majuscule letters (which resemble modern capitals)
    Uncial letters
   uncial letters
   

noun

1. A style of orthography characterized by somewhat rounded capital letters; found especially in Greek and Latin manuscripts of the 4th to 8th centuries  ( uncial )
   a style of orthography characterized by somewhat rounded capital letters; found especially in Greek and Latin manuscripts of the 4th to 8th centuries
    In the museum, there's a manuscript written in uncial script.
   In the museum, there's a manuscript written in uncial script.
   
   

 microdot microdot /ˈmaɪkroʊdɒt/

noun

1. Photograph reduced to the size of a dot (usually for purposes of security)  ( microdot )
   photograph reduced to the size of a dot (usually for purposes of security)
    The spy used a microdot to conceal important information on a seemingly innocuous letter.
   The spy used a microdot to conceal important information on a seemingly innocuous letter.