Quan″tum (?), n.; pl.Quanta (#). [L., neuter of quantus how great, how much. See Quantity,] 1. Quantity; amount. “Without authenticating... the quantum of the charges.” Burke.
2. (Math.) A definite portion of a manifoldness, limited by a mark or by a boundary. W. K. Clifford.
‖Quantum meruit (�) (Law), a count in an action grounded on a promise that the defendant would pay to the plaintiff for his service as much as he should deserve. — ‖Quantum sufficit (�), orQuantum suff.(Med.), a sufficient quantity. — ‖Quantum valebat (�) (Law), a count in an action to recover of the defendant, for goods sold, as much as they were worth. Blackstone.