Definition of Fixed capital
The amount of money which is permanently invested in the business. May also refer to capital invested in fixed assets (land, buildings, machinery, etc.). Cost of total plant and general equipment. Lindheimer v. Illinois Bell Telephone Co., Ill., 292 U.S. 151, 54 S.Ct. 658, 78 L.Ed. 1182.
That's the definition of Fixed capital in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.