One of a number of narrow strips of wood, or narrow iron plates, placed edge to edge to form the sides, covering, or lining of a vessel or structure; esp., one of the strips which form the sides of a cask, a pail, etc
{i} thin strip of wood used to form the sides of a barrel or other similar structure; stick or staff; rung of a ladder or chair; set of verses in a poem or song; group of 5 horizontal lines and the 4 spaces between them on which music is written