treat of


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treat of (something)

archaic To be concerned with or focused on some subject or topic. The essay treats of the moral and philosophical implications of several theoretical economic models. A brief history of the city was given by the mayor, treating of its establishment as a mining colony in 1887 and its eventual evolution as a major business center for the entire country.
See also: of, treat

treat of

v.
To deal with some subject or topic in writing or speech: The essay treats of courtly love.
See also: of, treat