amussis
- I ad ămussim (also written as one word, ad-ămussim or ătamussim), according to a rule or level, i. e. accurately, exactly: adamussim non est numerus, Varr. R. R. 2, 1, 26: talionem ad amussim aequiparare, Gell. 20, 1, 34 Hertz: ut judicium esse factum atamussim diceres, id. 1, 4, 1 id.—
- II exămussim, according to a rule, exactly, quite: Ne ista edepol, si vera haec loquitur, examussimst optuma, Plaut. Am. 2, 2, 213 (845) (with the forms adamussim and examussim, cf. the Gr. ἐκποδών and ἐμποδών).
istis limitibus prefatum resentum ex ~im [sic ] circum giratur
surgit ‥ altitudo muri ‥ secundum legem ~is et perpendiculi
amissis,a squyre
a swyre , ~is, perpendiculum
ut ‥ ad veterum doctorum ~im et catholice fidei veritatem ‥ [theologie legende ] incumbant
AMUSSISa level used by masons to test the evenness of a surface (Varr. ap. Non. 1.28 Festus, s. v.). But Sisenna (ap. Charis. 2, p. 178, Putsch.) defines it as a raddled surface used to prove whether work was perpendicular-tabula rubricata quae demittitur exominandi operis gratia, an rectum opus surgat. And Auson. (Idyll. 16.10) appears to denote by amussis a sort of norma, testing whether an angle made by two surfaces was a right angle. It appears from Vitruvius (Vitr. 1.6.6) that it was different from the regula (straight rule) and from the libella (plumb-line or square), and that it was used for obtaining a truer surface, whether horizontal or perpendicular, than those two instruments together would give. The amussis gives rise to the adverbs amussim, adamussim, examussim, also to amussitatus, in a metaphorical sense, meaning with perfect regularity and exactness (Varr. R. R. 2.1.26; Gell. 20.1.34; Plant. Amph. 2.2, 213, Mil. 3.1, 38).
[J.H.F]A level used in testing the evenness of a surface. See libella; norma; regula.