/ ˈbɔɪkɒt; NAmE -kɑːt/ verb , noun
■ verb
[ vn ] to refuse to buy, use or take part in sth as a way of protesting :
We are asking people to boycott goods from companies that use child labour.
■ noun
boycott (of / on sth) an act of boycotting sb/sth :
a trade boycott of British goods
a boycott on the use of tropical wood
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WORD ORIGIN
from the name of Captain Charles C. Boycott (1832–97), an Irish land agent treated in this way in 1880, in an attempt instigated by the Irish Land League to get rents reduced.