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Webster 1913 Edition

Impennous

Im-pen′nous

Adj.

[L. pref.

im-

not +

penna

wing.]

(Zool.)

Having no wings, as some insects.

Webster 1828 Edition

Impennous

IMPEN'NOUS

,

Adj.

[in and pennous.] Wanting wings.

Definition 2024

impennous

impennous

English

Adjective

impennous

Which does not have wings, such as certain insects.

Synonyms

apterous

References

impennous in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913