Cader \Ca"der\, n. See {Cadre}. [1913 Webster]
Cadre \Ca"dre\, n. [F. cadre, It. quadro square, from L. quadrum, fr. quatuor four.] (Mil.) The framework or skeleton upon which a regiment is to be formed; the officers of a regiment forming the staff. [Written also {cader}.] [1913 Webster]