Averil \a-ve-ril\ as a girl's name (also used as boy's name Averil), is pronounced AY-vril. It is of Old English origin, and the meaning of Averil is "boar battle". From the source phrase "eofor hild" with connotations of a ferocious fighter. Everild was a seventh-century saint. See also Avril.
For more information, see also the related name April.