(n) :
(entomology) The basal part of the ovipositor of some species of insects, typically the non-retractile sheath that remains exposed when the ovipositor is withdrawn and not in action.
(n) :
(entomology) The basal part of the ovipositor of some species of insects, typically the non-retractile sheath that remains exposed when the ovipositor is withdrawn and not in action.