et al. /ɛtˈɔːl/ phrase2 •And others; to complete a list, especially of persons, as authors of a published work.The total area of mangrove on Tutuila and Aunu'u was estimated at 91 ha by Amerson et al. (1982) and at 52 ha by Cole et al. (1988). — 1993 •And elsewhere; to complete a list of places.