Word Study
et alii
WORDNET DICTIONARY
Adverbial et alii has 1 sense
- et alii(r = adv.all) et al, et al., et alia, et aliae - and others ('et al.' is used as an abbreviation of `et alii' (masculine plural) or `et aliae' (feminine plural) or `et alia' (neuter plural) when referring to a number of people); "the data reported by Smith et al."
For further exploring for "et alii" in Webster Dictionary Online
