[ 'kəʊdɛks ]
■ noun ( plural codices 'kəʊdɪsi:z , 'kɒd- or ~es )
1》 an ancient manuscript text in book form.
2》 an official list of medicines, chemicals, etc.
Origin
C16 (denoting a collection of statutes): from L., lit. 'block of wood', later denoting a block split into tablets for writing on, hence a book.