1. (a.) Destitute of wings; apteral; as, apterous insects.
2. (a.) Destitute of winglike membranous expansions, as a stem or petiole; -- opposed to alate.
| Apterous 1. (a.) Destitute of wings; apteral; as, apterous insects. 2. (a.) Destitute of winglike membranous expansions, as a stem or petiole; -- opposed to alate. | |