'Protectionism' definitions:

Definition of 'protectionism'

From: WordNet
noun
The policy of imposing duties or quotas on imports in order to protect home industries from overseas competition

Definition of 'Protectionism'

From: GCIDE
  • Protectionism \Pro*tec"tion*ism\, n. (Polit. Econ.) The doctrine or policy of protectionists. See Protection, 4. [1913 Webster]