A disposition or condition of the body or mind acquired by custom or a usualrepetition of the same act or function. Knickerbocker L. Ins. Co. v. Foley, 105 U. S. 354,26 L. Ed. 1055 ; Conner v. Citizens’ St. R. Co., 146 Ind. 430, 45 N. E. 662; State v. Skillicorn,104 Iowa, 97, 73 N. W. 503; State v. Robinson, 111 Ala. 4S2, 20 South. 30.