| Word | Definitions | Synonyms |
|---|---|---|
| empennage | (noun) the rear part of an aircraft | Synonyms: tail, tail assembly |
| emperor | (noun) large richly colored butterfly | Synonyms: emperor butterfly |
| (noun) large moth of temperate forests of Eurasia having heavily scaled transparent wings | Synonyms: emperor moth, Saturnia pavonia | |
| (noun) red table grape of California | - | |
| (noun) the male ruler of an empire | - |