A fossil formed when an animal, plant, or other organism dies, its flesh decays and bones deteriorate due to chemical reactions; minerals gradually enter into the cavity, resulting in a cast, which is in the general form of the original organism.

plural of cast fossil

(sculpture) a cast made from a mould taken from an already completed sculpture. The after-cast is often smaller and less detailed than the original.

A hard and brittle, but strong, alloy of iron, carbon, and silicon, formed by casting in a mould.

(not comparable) Made of cast iron. / Durable; tough; resilient. / Inflexible or without exception.

(obsolete, accounting) To perform basic bookkeeping. / (obsolete) To be numerate; to be capable of arithmetic.

(idiomatic) Conclusive action has been taken, so events will proceed in an irreversible manner; the point of no return has been passed; the future is determined; there are no more options.

To discard. / (nautical) To abandon or maroon. / (computing, programming, transitive) To eliminate by means of a cast operation.

(idiomatic) To make damaging or spiteful remarks.

plural of cast net