Definition of luna moth
: a large mostly pale green American saturniid moth (Actias luna) with long tails on the hind wings
From the M-W Editors
Illustration of luna moth
Origin and Etymology of luna moth
New Latin luna (specific epithet of Actias luna), from Latin, moon
First Known Use: 1869
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See words that rhyme with luna moth Britannica.com: Encyclopedia article about luna moth
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