1) Arthropod family 2) Family theridiidae 
Theridiidae is a large family of spiders, also known as the tangle-web spiders, cobweb spiders and comb-footed spiders. The diverse family includes over 2200 species in over 100 genera) of three-dimensional space-web-builders found throughout the world. Theridiid spiders are entelegyne (have a genital plate in the female) araneomorph ecribellate (...
[n] - a family of comb-footed spiders
family Theridiidae noun a family of comb-footed spiders