CASEWORM
Meaning of CASEWORM in English
/kays"werrm'/ , n.
a caddisworm or other insect larva that constructs a case around its body.
[ 1600-10; CASE 2 + WORM ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012