n. A putting in; the act of inserting, or placing, or setting something in or among other things: as, the insertion of a beam in a wall.n. That which is inserted.n. A band of lace or other ornamental material inserted in a plain fabric for decorative purposes. Such bands are often made with both edges alike, and with a certain amount of plain stuff on either side, to allow them to be sewed on strongly.n. Place or manner of attachment.