ˌtherəˈfōsə, -ōzə noun
Usage: capitalized
Etymology: New Latin, from Greek thēraphion, diminutive of thēr, thērion wild beast, animal, monster — more at fierce
: the type genus of the family Theraphosidae including a rare African spider ( T. blondi ) that is the largest of spiders with a body length of over three inches and a leg span of nearly 10 inches