undecagon
noun
un·dec·a·gon
ˌənˈdekəˌgän
plural -s
: a plane figure having eleven angles and eleven sides
Word History
Etymology
undec- + -agon (as in decagon)
- counterpose
- counterposed
- counterposes
- counterposing
- counterpotent
- counterpower
- counterpowers
- counterpreparation
- counterpressure
- counterpressures
- counterproductive
- counterprogram
- counterprogramming
- counterprogrammings
- counterproject
- counterprojects
- counterproof
- counterproofs
- counterpropaganda
- counterpropagandas
- counterproposal
- counterproposals
- counterprotest
- counterprotester
- counterprotesters