Definition of calculus

• n. - Any solid concretion, formed in any part of the body, but most frequent in the organs that act as reservoirs, and in the passages connected with them; as, biliary calculi; urinary calculi, etc.
• n. - A method of computation; any process of reasoning by the use of symbols; any branch of mathematics that may involve calculation.
• n. - Any solid concretion, formed in any part of the body, but most frequent in the organs that act as reservoirs, and in the passages connected with them; as, biliary calculi; urinary calculi, etc.
• n. - A method of computation; any process of reasoning by the use of symbols; any branch of mathematics that may involve calculation.