- a spider of the family Theridiidae, comprising the comb-footed spiders.
- belonging or pertaining to the family Theridiidae.
Origin of theridiid
< New Latin Theridiidae name of the family, equivalent to Theridi(um) a genus (< Greek thērídion, diminutive of thēríon beast) + New Latin -idae -id2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018