An election by the voters of a ward, precinct, or other small district,belonging to a particular party, of representatives or delegates to a convention which is to meet and nominate the candidates of their party to stand at an approaching municipal or general election. See State v. Hirsch, 125 Ind. 207, 24 N. E. 1002, 9 L. R. A. 170; People v. Cavanaugh, 112 Cal. 670,44 Pac. 1057; State v. Woodruff, 68 N. J. Law, 89, 52 Atl. 294.