noun
type of decorative knot used on gift envelopes
A flat, non-retieable knot traditionally used on envelopes for wedding gifts, get-well gifts, and other celebratory or formal monetary gifts to convey sincerity and the wish that the occasion not be repeated (e.g., for weddings, that the marriage be lasting).
結婚祝いのご祝儀袋には、結び切りの水引がかけられている。
On the gift envelope for a wedding present, a mizuhiki cord tied in a musubikiri knot is used.
Compound of 結び (musubi, 'knot') + 切り (kiri, 'cutting off'), referring to a knot that is tied tightly and not meant to be undone.