הַכְחָשָׁה f. (v. preced.) 1) contradiction, the denial by one set of witnesses of the deposits of the preceding set; counterevidence (contrad. to הֲזָמָה), rejection of evidence owing to counterevidence. B. Mets. 3ᵇ ישנן בה׳ וכ׳ are subject to rejection through counterevidence or proof of alibi. Ib. אינו בה׳ וכ׳ (the debtor’s own admission) cannot be upset by counterevidence &c. B. Kam. 73ᵇ, a. e. ה׳ תהלת הזמה וכ׳ counterevidence is a preliminary procedure to be finished by proving an alibi, i.e. both are one continued process of law; a. fr. —2) failing, waste of flesh, in gen. deterioration. B. Kam. 94ᵃ ה׳ דהדר (sub. בישרא) a deterioration which can be raplaced (by good food), ה׳ דלא הדר which cannot be replaced (e.g. a fracture).