1) Bow 1) Knot 2) Option for the present 3) Shoelace feature, often 4) Used to tie shoelaces 
• (n.) A knot in which a portion of the string is drawn through in the form of a loop or bow, so as to be readily untied.
Bow'knot` noun A knot in which a portion of the string is drawn through in the form of a loop or bow, so as to be readily untied. 
noun a knot with two loops and loose ends; used to tie shoelaces
bow (def. 4).