Main Entry: add

Pronunciation: \ˈad\

Function: verb

Etymology: Middle English, from Latin addere, from ad- + -dere to put — more at do

Date: 14th century

transitive verb 1 : to join or unite so as to bring about an increase or improvement <adds 60 acres to his land> <wine adds a creative touch to cooking>
2 : to say further : append
3 : to combine (numbers) into an equivalent simple quantity or number
4 : to include as a member of a group <don't forget to add me in>intransitive verb 1 a : to perform addition b : to come together or unite by addition
2 a : to serve as an addition <the movie will add to his fame> b : to make an addition <added to her savings>

— add·able or add·ible \ˈa-də-bəl\ adjective