First Known Use: 1660
Dictionary
trilateral
adjective tri·lat·er·al \(ˌ)trī-ˈla-tə-rəl, -ˈla-trəl\
: involving three groups or countries
Full Definition of TRILATERAL
: having three sides or parties <trilateral business ventures> <trilateral discussions>
See trilateral defined for English-language learners
See trilateral defined for kids
ADVERTISEMENT
Origin of TRILATERAL
Latin trilaterus, from tri- + later-, latus side
Learn More About TRILATERAL
Browse
Next Word in the Dictionary: trilaterationPrevious Word in the Dictionary: trilacunarAll Words Near: trilateral
ADVERTISEMENT
Seen & Heard
What made you want to look up trilateral? Please tell us where you read or heard it (including the quote, if possible).