from The Century Dictionary.
- In zoology, having the form of half an oval; semi-elliptical.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Half oval.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Half
from Wiktionary, Creative Commons Attribution/Share-Alike License
According to Westwood, "the posterior part of its body is enclosed in a semioval membranous cocoon, which is at first formed by the larva, the anterior part of which is eaten away before changing to a pupa, so as to be open in front.