Jastrow: אוּמָד

אוּמָד m. (אָמַד) estimate, guess, measuring by mere sight, approximate assessment; medical opinion as to the nature of injuries. Men. 54ᵇ ניטלת בא׳ may be set apart (for the priest) by estimating (without measuring) the quantity. Snh. IV, 5 מא׳ ומשמועה from mere supposition or hear-say. Ib. 78ᵇ אין א׳ אחר א׳ the first estimate (medical opinion declaring an inflicted injury fatal) cannot be upset by a second more favorable opinion (if erroneously formed under the resemblance of recovery); v. אָמַד.—Ib. א׳ האמצעי the (second) opinion intermediate between the first opinion and the actual fatal result.