Alias dictns
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
"Otherwise called." This phrase (or its shorter and more usual form, alias,) when placed between two names in a pleading or other paper indicates that the same person is known by both those names. A fictitious name assumed by a person is colloquially termed an "alias."
Ferguson v. State, 134 Ala. 63, 32 South. 760, 92 Am. St. Rep. 17; Turns v. Co.m., 6 Mete. (Mass.) 235; Kennedy v. People, 1 Cow. Or. Rep. (N. Y.) 119.