n. 1 the act or an instance of inserting. 2 an amendment etc. inserted in writing or printing. 3 each appearance of an advertisement in a newspaper etc. 4 an ornamental section of needlework inserted into plain material (lace insertions). 5 the manner or place of attachment of a muscle, an organ, etc. 6 the placing of a spacecraft in an orbit.
[ LL insertio (as INSERT) ]