TACK STH ON
UKUStack sth on
—Phrasal Verbwithtack(••/tæk/verb[T]
►(alsotack sth onto sth)to add something extra to something:»
Tacking a 32% surcharge on these products prices them out of U.S. markets.
»He promised that he would tack labour and environmental clauses onto future trade deals.
►INFORMALSTOCK MARKETto increase by a certain amount:»
Wal-Mart tacked on $1.18, or 2.1% and was the Dow's biggest percentage gainer.
»The Nasdaq tacked on 11.12 points or 0.81% to 1391.74.