Part of speech and something binding in declaration (13)
I believe the answer is:
pronouncement
'declaration' is the definition.
(I know that pronouncement is a type of declaration)
'part of speech and something binding' is the wordplay.
'part of speech' becomes 'pronoun' (pronouns are a part of speech).
'and' becomes 'n' (common abbreviation for 'and').
'something' becomes 'cemet' (I can't justify this - if you can you should believe this answer much more).
'binding' indicates putting letters inside.
'n' placed within 'cemet' is 'cement'.
'pronoun'+'cement'='PRONOUNCEMENT'
'in' is the link.
Can you help me to learn more?
(Other definitions for pronouncement that I've seen before include "official statement" , "Official declaration" , "formal statement" , "An authoritative declaration" , "ordinance" .)