noun.
An informal discussion or chat, especially of an intellectual nature.
noun.
A short conversational piece of writing or criticism.
The Century Dictionary and Cyclopedia
noun.
Chat; familiar conversation; informal talk; free and unconventional discussion and criticism, such as the Causeries du lundi (“Monday Chats”) of the French critic and essayist Sainte-Beuve (1804–69). See Sainte-Beuve in the Century Cyclopedia of Names.
the GNU version of the Collaborative International Dictionary of English
noun.
Informal talk or discussion, as about literary matters; light conversation; chat.