the act of inserting; as, the insertion of scions in stocks; the insertion of words or passages in writings.-the condition or mode of being inserted or attached; as, the insertion of stamens in a calyx.-that which is set in or inserted, especially a narrow strip of embroidered lace, muslin, or cambric.-the point or part by which a muscle or tendon is attached to the part to be moved; -- in contradistinction to its origin.