735 ILCS 5/15-1207: Mortgage.

"Mortgage" means any consensual lien created by a written instrument which grants or retains an interest in real estate to secure a debt or other obligation. The term "mortgage" includes, without limitation:

(a) mortgages securing "reverse mortgage" loans as authorized by subsection (a) of Section 5 of the Illinois Banking Act;

(b) mortgages securing "revolving credit" loans as authorized by subsection (c) of Section 5 of the Illinois Banking Act, Section 1-6b of the Illinois Savings and Loan Act and Section 46 of the Illinois Credit Union Act;

(c) every deed conveying real estate, although an absolute conveyance in its terms, which shall have been intended only as a security in the nature of a mortgage;

(d) equitable mortgages; and

(e) instruments which would have been deemed instruments in the nature of a mortgage prior to the effective date of this amendatory Act of 1987.