Definition of additions:
(n) :
(uncountable, arithmetic) The arithmetic operation of adding.
(n) :
(uncountable) The act of adding anything.
(n) :
Anything that is added.
(n) :
(music) A dot at the right side of a note as an indication that its sound is to be lengthened one half.
(n) :
(heraldry) Something added to a coat of arms, as a mark of honour.
(n) :
(chiefly law) A title annexed to a person's name to identify him or her more precisely.