Basket worm
(Zool.) a lepidopterous insect of the genus Thyridopteryx and allied genera, esp. Thyridopteryx ephemeræformis. The larva makes and carries about a bag or basket-like case of silk and twigs, which it afterwards hangs up to shelter the pupa and wingless adult females.
See also: Basket
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.