n. A policy of refusing to import goods; especially the policy in 18th century colonial America of preventing imports from Britain
the GNU version of the Collaborative International Dictionary of English
n. Want or failure of importation; a not importing of commodities.
The Century Dictionary and Cyclopedia
n. A refraining from importing, or a failure to import.
Word Usage
"With relations between Britain and her colonists deteriorating over the previous decade, Washington joins radicals in Virginia House of Burgesses adopting a nonimportation agreement"