MONOPLANE
Meaning of MONOPLANE in English
mon ‧ o ‧ plane /ˈmɒnəʊpleɪn $ ˈmɑːnoʊ-/ BrE AmE noun [countable]
a plane with only one wing on each side ⇨ biplane
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012