COCOONED
Verb
cocooned
simple past tense and past participle of cocoon
Source: Wiktionary
COCOON
Co*coon", n. Etym: [F. cocon, dim. of coque shell of egge and
insects, fr. L. concha mussel shell. See Conch.]
1. An oblong case in which the silkworn lies in its chrysalis state.
It is formed of threads of silk spun by the worm just before leaving
the larval state. From these the silk of commerce is prepared.
2. (Zoöl.)
(a) The case constructed by any insect to contain its larva or pupa.
(b) The case of silk made by spiders to protect their eggs.
(c) The egg cases of mucus, etc., made by leeches and other worms.
Source: Webster’s Unabridged Dictionary 1913 Edition