Norma

·noun A templet or gauge.

II. Norma ·noun A mason's or a carpenter's square or rule.

III. Norma ·noun A norm; a principle or rule; a model; a standard.

norma
norma, ae, f. [for gnorima (cf. Gr. γνώριμος); root, gno-; cf. gnarus, nosco], a square, employed by...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
norma
nōrma ae, f GNA-, a measure, standard : ad istorum (Stoicorum) normam sapientes.— A rule, pattern,...

An Elementary Latin Dictionary