Lewis & Short

1. ē-vallo, āvi, 1, v. a. [vallum], to cast out (only in the foll. passages): nos foras, Varr. ap. Non. 102, 6: aliquem, Titin. ib. 5 (Rib. Com. Fragm. p. 144).

2. ē-vallo, ĕre, v. a. [2. vallus], to winnow out, to cleanse from the husks, to husk, to hull, Plin. 18, 10, 23, §§ 97 and 99.