noun
: a device resembling a spike-tooth harrow that is used for sterilizing soil (as in a greenhouse) with steam escaping from openings in short pipes forced into the soil
noun
: a device resembling a spike-tooth harrow that is used for sterilizing soil (as in a greenhouse) with steam escaping from openings in short pipes forced into the soil
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012