boil ‧ er ‧ plate /ˈbɔɪləpleɪt $ -ər-/ BrE AmE noun [uncountable and countable] American English
a standard piece of writing or a design for something that can be easily used each time you need it, for example in business or legal documents ⇨ template :
a boilerplate for a fax message
lawyers selling boilerplate wills