The rank, situation, or degree of a particular person in some one of the different orders of society; or his status or situation, considered as a juridicial person, arising from positive law or the institutions of society. Thill v. Pohlman, 70 Iowa, 038, 41 N. W. 3S5. A clause in a contract or agreement which has for its object to suspend, rescind, or modify the principal obligation, or, in case of a will, to suspend, revoke, or modify the devise or bequest. Towle v. Remsen, 70 N. Y. 303. A modus or quality annexed by him that hath an estate, or interest or right to the same, whereby an estate, etc., may either be defeated, enlarged, or created upon an uncertain event. Co. Litt. 201 a. A qualification or restriction annexed to a conveyance of lands, whereby it is provided that in case a particular event does or does not happen, or in case the grantor or grantee does or omits to do a particular act, an estate shall commence, be enlarged, or be defeated. Ileaston v. Randolph County, 20 Ind. 398; Cooper v. Green. 28 Ark. 54; State v. Board of Public Works, 42 Ohio St. 015: Selden v. Pringle, 17 Barb. (N. Y.) 405