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51Թ comparison: monoplane vs. biplane
monoplane vs. biplane
monoplane
noun
an airplane with one main sustaining surface or one set of wings.
Nautical.
a
planing
plane
craft the bottom of which is in an unbroken fore-and-aft line.
biplane
noun
an
airplane
with two sets of wings, one above and usually slightly forward of the other.