[noun] [specialized] - an introduction to a speech or piece of writingThe preamble to the document gives details of what it comprises. [C](figurative informal) I like to get straight down to business, without a lot of preamble (= talk or activity not connected with business). [U]
PREAMBLE
Meaning of PREAMBLE in English
Cambridge English vocab. Кембриджский английский словарь. 2012