Averill \a-veri-ll, av(e)-rill\ as a girl's name (also used as boy's name Averill), is a variant of April (Latin), Averil (Old English) and Avril (Latin), and the meaning of Averill is "to open; boar battle".

The baby name Averill sounds like Avrill, Averyll, Averell and Averilla. Other similar baby names are Averylle, Averyl, Averel, Aprill, Averie, Averi, Everil, Averilda, Avaril and Avriel.