[tent caterpillar] n (1854): any of several destructive gregarious caterpillars (genus Malacosoma and esp. M. americanum of the family Lasiocampidae) that construct large silken webs on trees
TENT CATERPILLAR
Meaning of TENT CATERPILLAR in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012